devtools

c00ad263 - Add dart_skills_lint to devtools and configure it to run in the cli and in tests (#9770)

Add dart_skills_lint to devtools and configure it to run in the cli and in tests (#9770) * add dart skills lint test and yaml config with instructions for how to use * Add ignore file for valid links that are triggering false positives * resolve readme to correct location * Copyright added to new files and issue linked in pubspec * Add link to yaml configuration feature * presubmit feedback * Update tool/test/validate_skills_test.dart Co-authored-by: Kenzie Davisson <43759233+kenzieschmoll@users.noreply.github.com> * Update pubspec.yaml Co-authored-by: Kenzie Davisson <43759233+kenzieschmoll@users.noreply.github.com> * Fix one relative path issues, update version of dart_skills_lint * remove the root dependency on dart_skills_lint * Change todo format * Remove double trailing line --------- Co-authored-by: Kenzie Davisson <43759233+kenzieschmoll@users.noreply.github.com>