Rename default branch to main

The development is switching from git-flow to a trunk based model
because the overhead of git-flow was not needed for the size of the
project.

CONTRIBUTING.rst

@@ -31,9 +31,6 @@ Feature requests
 
 Please stick to the following standards when you open pull requests:
 
-- Khard's development tries to follow `Vincent's branching model`_ so normal
-  pull requests should be made against the `develop`_ branch. Only important
-  bug fixes that affect the current release should be opened against `master`_.
 - Write "good" commit messages, especially a proper subject line.  This is also
   explained in `the Git book`_.
 - Format your python code according to `PEP 8`_.  Tools like `pylint`_ also
@@ -47,13 +44,6 @@ Please stick to the following standards when you open pull requests:
 Development
 -----------
 
-In order to start coding you need to fetch the ``develop`` branch:
-
-.. code-block:: shell
-
-  git clone https://github.com/lucc/khard
-  cd khard
-
 It is recommended to create a `virtualenv`_ to isolate the development
 environment for Khard from your system's Python installation:
 
@@ -75,7 +65,6 @@ dependencies with ``nix develop``.
 
 .. _bug reports: https://github.com/lucc/khard/issues
 .. _the Git book: https://www.git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project#_commit_guidelines
-.. _develop: https://github.com/lucc/khard/tree/develop
 .. _feature requests: https://github.com/lucc/khard/pulls
 .. _Github: https://github.com/lucc/khard
 .. _master: https://github.com/lucc/khard/tree/master

pyproject.toml

@@ -37,7 +37,7 @@ doc = ['sphinx', 'sphinx-autoapi', 'sphinx-autodoc-typehints']
 homepage = "https://github.com/lucc/khard"
 documentation = "https://khard.readthedocs.io/en/latest/"
 repository = "https://github.com/lucc/khard.git"
-changelog = "https://github.com/lucc/khard/blob/develop/CHANGES"
+changelog = "https://github.com/lucc/khard/blob/main/CHANGES"
 
 [project.scripts]
 khard = "khard.khard:main"