chore: fixes, several improvements and refactorings (#2)

* chore: fixes

* chore: rubocop fixes, linting, etc.

* chore: switching to use `brew style` only

* chore: use `brew style` for linting, skip example formulae in ci.yml

* chore(lint): fixes, additions and tweaks

.gitignore

@@ -2,6 +2,7 @@
 Gemfile.lock
 .bundle/
 vendor/bundle/
+.ruby-lsp/
 
 # Generated site files
 docs/**/*.html
@@ -27,3 +28,7 @@ docs/assets/*
 
 # Other
 AGENTS.md
+.rubocop_todo.yml
+.serena
+CLAUDE.md
+node_modules/