[Components][Console] Replace ambiguous heading to generate unique anchor name
[Components][Console] Fix lowercase to uppercase
[Cookbook][Session] Fix session proxy sample code
fix typos, formatting, yaml code blocks
Minor fixes: Typos, Formatting, code, YAML code block
Add missing new line at the end of file
revert incorrect fix
add API links
add API links
Fixes: Typos, Formatting, Notations
2.3: Minor fixes
[Cookbook][Workflow] Mention alternatives to GitHub
Remove hoster specific details
fix typo
Merge branch 'more_fixes' of github.com:bicpi/symfony-docs into bicpi-more_fixes

Conflicts:
	cookbook/configuration/pdo_session_storage.rst
Merge pull request #3208 from bicpi/more_fixes_2_3

2.3 only: Some more minor fixes
Merge pull request #3213 from bicpi/even_more_fixes

Minor fixes: Typos, Formatting, Notations
Merge pull request #3214 from bicpi/even_more_fixes_2_3

2.3: Minor fixes
Merge pull request #3215 from bicpi/git_hosting_alternatives

[Cookbook][Workflow] Mention alternatives to GitHub
Merge pull request #3131 from bicpi/replace_ambiguous_heading

[Components][Console] Replace ambiguous heading to generate unique anchor