Fix ruleset sample related to changing the message template (related to #3769)
Fix case of available filters - see #3877
Fixed language around phpcs:ignore annotation (issues #3657)
Updated Customisable Sniff Properties (markdown)
Updated Fixing Errors Automatically (markdown)
Updated Annotated Ruleset (markdown)
Updated Reporting (markdown)
Updated Requirements (markdown)
Updated Usage (markdown)
Added docs for PSR12.Operators.OperatorSpacing
Added ignoreSpacingBeforeAssignments property for Squiz.WhiteSpace.OperatorSpacing (ref #2515)
Added properties for Generic.Formatting.SpaceAfterCast