Update links in the docs and bump ex_doc (#445)

The idea is to improve documentation and make easier for users to find
things.

README.md

@@ -1,8 +1,11 @@
 # Rustler
 
-[Documentation](https://docs.rs/crate/rustler) | [Getting Started](https://github.com/rusterlium/rustler/blob/master/README.md#getting-started) | [Example](https://github.com/hansihe/NifIo)
+[Documentation](https://docs.rs/rustler/latest/rustler) | [Getting Started](https://github.com/rusterlium/rustler/blob/master/README.md#getting-started) | [Example](https://github.com/rusterlium/NifIo)
 
-![Build Status](https://github.com/rusterlium/rustler/workflows/CI/badge.svg?branch=master)
+[![Build Status](https://github.com/rusterlium/rustler/workflows/CI/badge.svg?branch=master)](https://github.com/rusterlium/rustler/actions/workflows/main.yml)
+[![Hex.pm package version](https://img.shields.io/hexpm/v/rustler.svg)](https://hex.pm/packages/rustler)
+[![Crates.io package version](https://img.shields.io/crates/v/rustler.svg)](https://crates.io/crates/rustler)
+[![Last Updated](https://img.shields.io/github/last-commit/rusterlium/rustler.svg)](https://github.com/rusterlium/rustler/commits/master)
 
 Rustler is a library for writing Erlang NIFs in safe Rust code. That means
 there should be no ways to crash the BEAM (Erlang VM). The library provides
@@ -60,7 +63,8 @@ RUSTLER_NIF_VERSION=2.14 mix compile
 
 #### Community
 
-You can find us in `#rustler` on [freenode](http://freenode.net/) or [the elixir-lang slack](https://elixir-slackin.herokuapp.com/).
+You can find us in the `#rustler:matrix.org` channel on [Matrix](https://matrix.to/#/#rustler:matrix.org)
+or in the `#rustler` channel in [the Elixir lang Slack](https://elixir-slackin.herokuapp.com/).
 
 #### License
 

rustler/src/lib.rs

@@ -2,7 +2,7 @@
 #![allow(clippy::missing_safety_doc)]
 
 //! [Github](https://github.com/rusterlium/rustler)
-//! [Example](https://github.com/hansihe/Rustler_Example)
+//! [Example](https://github.com/rusterlium/NifIo)
 //!
 //! Rustler is a library for writing Erlang NIFs in safe Rust code. That means there should be no
 //! ways to crash the BEAM (Erlang VM). The library provides facilities for generating the

rustler_mix/lib/rustler.ex

@@ -75,7 +75,7 @@ defmodule Rustler do
           load_data: :something
       end
 
-  [target]: https://forge.rust-lang.org/release/platform-support.html
+  [target]: https://doc.rust-lang.org/stable/rustc/platform-support.html
   """
 
   defmacro __using__(opts) do

rustler_mix/mix.lock

@@ -1,11 +1,11 @@
 %{
   "earmark": {:hex, :earmark, "1.4.4", "4821b8d05cda507189d51f2caeef370cf1e18ca5d7dfb7d31e9cafe6688106a4", [:mix], [], "hexpm", "1f93aba7340574847c0f609da787f0d79efcab51b044bb6e242cae5aca9d264d"},
-  "earmark_parser": {:hex, :earmark_parser, "1.4.13", "0c98163e7d04a15feb62000e1a891489feb29f3d10cb57d4f845c405852bbef8", [:mix], [], "hexpm", "d602c26af3a0af43d2f2645613f65841657ad6efc9f0e361c3b6c06b578214ba"},
-  "ex_doc": {:hex, :ex_doc, "0.24.2", "e4c26603830c1a2286dae45f4412a4d1980e1e89dc779fcd0181ed1d5a05c8d9", [:mix], [{:earmark_parser, "~> 1.4.0", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "e134e1d9e821b8d9e4244687fb2ace58d479b67b282de5158333b0d57c6fb7da"},
-  "jason": {:hex, :jason, "1.2.2", "ba43e3f2709fd1aa1dce90aaabfd039d000469c05c56f0b8e31978e03fa39052", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "18a228f5f0058ee183f29f9eae0805c6e59d61c3b006760668d8d18ff0d12179"},
-  "makeup": {:hex, :makeup, "1.0.5", "d5a830bc42c9800ce07dd97fa94669dfb93d3bf5fcf6ea7a0c67b2e0e4a7f26c", [:mix], [{:nimble_parsec, "~> 0.5 or ~> 1.0", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "cfa158c02d3f5c0c665d0af11512fed3fba0144cf1aadee0f2ce17747fba2ca9"},
-  "makeup_elixir": {:hex, :makeup_elixir, "0.15.1", "b5888c880d17d1cc3e598f05cdb5b5a91b7b17ac4eaf5f297cb697663a1094dd", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.1", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "db68c173234b07ab2a07f645a5acdc117b9f99d69ebf521821d89690ae6c6ec8"},
+  "earmark_parser": {:hex, :earmark_parser, "1.4.25", "2024618731c55ebfcc5439d756852ec4e85978a39d0d58593763924d9a15916f", [:mix], [], "hexpm", "56749c5e1c59447f7b7a23ddb235e4b3defe276afc220a6227237f3efe83f51e"},
+  "ex_doc": {:hex, :ex_doc, "0.28.3", "6eea2f69995f5fba94cd6dd398df369fe4e777a47cd887714a0976930615c9e6", [:mix], [{:earmark_parser, "~> 1.4.19", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "05387a6a2655b5f9820f3f627450ed20b4325c25977b2ee69bed90af6688e718"},
+  "jason": {:hex, :jason, "1.3.0", "fa6b82a934feb176263ad2df0dbd91bf633d4a46ebfdffea0c8ae82953714946", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "53fc1f51255390e0ec7e50f9cb41e751c260d065dcba2bf0d08dc51a4002c2ac"},
+  "makeup": {:hex, :makeup, "1.1.0", "6b67c8bc2882a6b6a445859952a602afc1a41c2e08379ca057c0f525366fc3ca", [:mix], [{:nimble_parsec, "~> 1.2.2 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "0a45ed501f4a8897f580eabf99a2e5234ea3e75a4373c8a52824f6e873be57a6"},
+  "makeup_elixir": {:hex, :makeup_elixir, "0.16.0", "f8c570a0d33f8039513fbccaf7108c5d750f47d8defd44088371191b76492b0b", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "28b2cbdc13960a46ae9a8858c4bebdec3c9a6d7b4b9e7f4ed1502f8159f338e7"},
   "makeup_erlang": {:hex, :makeup_erlang, "0.1.1", "3fcb7f09eb9d98dc4d208f49cc955a34218fc41ff6b84df7c75b3e6e533cc65f", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "174d0809e98a4ef0b3309256cbf97101c6ec01c4ab0b23e926a9e17df2077cbb"},
-  "nimble_parsec": {:hex, :nimble_parsec, "1.1.0", "3a6fca1550363552e54c216debb6a9e95bd8d32348938e13de5eda962c0d7f89", [:mix], [], "hexpm", "08eb32d66b706e913ff748f11694b17981c0b04a33ef470e33e11b3d3ac8f54b"},
+  "nimble_parsec": {:hex, :nimble_parsec, "1.2.3", "244836e6e3f1200c7f30cb56733fd808744eca61fd182f731eac4af635cc6d0b", [:mix], [], "hexpm", "c8d789e39b9131acf7b99291e93dae60ab48ef14a7ee9d58c6964f59efb570b0"},
   "toml": {:hex, :toml, "0.6.2", "38f445df384a17e5d382befe30e3489112a48d3ba4c459e543f748c2f25dd4d1", [:mix], [], "hexpm", "d013e45126d74c0c26a38d31f5e8e9b83ea19fc752470feb9a86071ca5a672fa"},
 }

rustler_mix/priv/templates/basic/README.md

@@ -8,13 +8,13 @@
 
 ```elixir
 defmodule <%= module %> do
-    use Rustler, otp_app: :<%= otp_app %>, crate: "<%= library_name %>"
+  use Rustler, otp_app: :<%= otp_app %>, crate: "<%= library_name %>"
 
-    # When your NIF is loaded, it will override this function.
-    def add(_a, _b), do: :erlang.nif_error(:nif_not_loaded)
+  # When your NIF is loaded, it will override this function.
+  def add(_a, _b), do: :erlang.nif_error(:nif_not_loaded)
 end
 ```
 
 ## Examples
 
-[This](https://github.com/hansihe/NifIo) is a complete example of a NIF written in Rust.
+[This](https://github.com/rusterlium/NifIo) is a complete example of a NIF written in Rust.