Allow input stream termination by sending end-of-transmission character

[caendesilva]

In addition to the added '<<<' sequence added in #936, this PR allows for an alternate method to terminate an input stream: by sending an End-of-Transmission character, usually via CTRL+D

You still need to finish with hitting enter as I have not yet figured out a way to read live input instead of a line-to-line basis.

Edit: It seems like CTRL+D on Windows sends an EOT Ascii character, but CTRL+Z+Enter on Windows seems to provide the same result as CTRL+D on Unix. This actually seems to return false from the standard input stream in PHP, so I think we should use that. It's also what Symfony uses

Okay: ways to terminate:

• '<<<' on single line (Windows+Unix*)
• CTRL+D (Unix*)
• CTRL+D then enter (Windows)
• CTRL+Z then enter (Windows)

*Tested only in WSL2 but should work on actual Linux and macOS systems.

This IMO is nicer than the Symfony implementation, as it allows for cross platform CTRL+D support (in theory).

The PR also updates output messages for this and the previous change, hence why the PR is so comparatively big.

[codecov]

Codecov Report

Merging #937 (5e94b54) into publications-feature (ad5afcc) will not change coverage.
The diff coverage is n/a.

❗ Current head 5e94b54 differs from pull request most recent head 7864de5. Consider uploading reports for the commit 7864de5 to get more accurate results

@@                    Coverage Diff                     @@
##             publications-feature      #937     +/-   ##
==========================================================
  Coverage                  100.00%   100.00%             
+ Complexity                   3194      1601   -1593     
==========================================================
  Files                         348       174    -174     
  Lines                        7962      3985   -3977     
==========================================================
- Hits                         7962      3985   -3977     

Impacted Files	Coverage Δ
...ations/src/Commands/Helpers/InputStreamHandler.php	100.00% <0.00%> (ø)
...ations/src/Commands/Helpers/InputStreamHandler.php
...blications/src/Commands/MakePublicationCommand.php
...cations/src/Commands/MakePublicationTagCommand.php
...s/publications/src/PublicationsServiceProvider.php
packages/framework/src/Pages/Concerns/HydePage.php
packages/framework/src/Facades/Site.php
...ework/Features/Navigation/DocumentationSidebar.php
...ications/src/Actions/CreatesNewPublicationPage.php
...s/src/Commands/ValidatePublicationTypesCommand.php
... and 165 more

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