Add note about console autocompletion
Adapted the docs to the rename of the "virtual" form option to "inherit_data"
Minor grammatical correction
Cookbook article about custom route loaders
Added documentation to cover PR #6951 on serializer component.
Processed feedback by @lazyhammer and @WouterJ
[W] components/options_resolver
[C] components/options_resolver
[R] components/options_resolver

- Removed uses of 'we'
[R] components/options_resolver

- Review by @stof
Adding description of how to test a command which expects user input
Added use cases and explained the loader resolver
Minor improvements suggested by @WouterJ
Added some references to bundles using route loaders
Adding a database cookbook with the topics unit tests and config_test.yml covered
add note on service parameters regarding ScopeWideningInjectionException
Refactoring example code for the dialog helper command test
fix backticks with double backticks
Making some minor bugfixes to the testing/database cookbook. Added different code examples
Add documentation to Collection constraint showing usage of Required
and Optional classes.