* prepared interfaces and naive implementation for restricted words
* fixed whitespace tokenizer last token handling
* removed unnecessary check in whitespace tokenizer last token handling
* removed unnecessary interfaces, added matcher to service
* now using more explicit naming
* added config parameter/env variable to configure restricted words
provided simple matcher and lister implementation into service
* fixed linter warnings
* fixed linter warnings (part 2)
* added functional tests for rest api
moved check for restricted words into validation stage
* fixed missing error check in rest private test
* fixed failed test that expected validation in specific order
* fixed linter warning
* removed unnecessary 'else'
* removed redundant check from 'DataStore.EditComment'
* replaced exact matching for restricted words with wildcard matching
* fixed race condition when creating wildcardTrie
removed unnecessary wildcard masks
refactored tests in a table format
* improved documentation for restricted words param
* removed wildcardTrie caching as a premature optimization
removed unnecessary validation method ValidateCommentText
moved restricted words validation into service methods that create and update comment
* fixed error name due to linter warning
Aleksandr MelnikovandUmputun
ab6c9a515c