Remove trailing blank lines
Remove trailing whitespace
Add .rubocop.yml
Disable line length check
Enable AccessModifierIndentation
Use alias_method instead of alias
Disable AlignParameters
Add missing UTF-8 encoding comments
Do not use and/or
Disable AsciiComments cop
Remove assignments in conditions
Use do/end for multiline blocks
Disable BracesAroundHashParameters cop
Do not use case equality
Remove trailing whitespace
Disable CaseIndentation and SingleLineBlockParams
Remove SymbolName cop
Disable ClassLength cop
Split list of disabled cops into hard and opinionated
Disable ClassVars cop