v0.8.1 - minor improvements

Hi Folks,

this release of rubyfmt is a lot of quality of life improvements, shell handling, and fixes to a few syntax issues! Enjoy

What's Changed

• Document .rubyfmtignore and .gitignore behavior by @reese in #357
• Support unparenthesized Gemfile methods by @reese in #358
• Emit a build artifact after github actions run by @reese in #362
• Fix indentation for multiline expressions in interpolations in heredocs by @reese in #360
• Correctly handle empty Paren nodes as args by @reese in #368
• Properly exit when receiving SIGINT/SIGTERM/SIGHUP by @reese in #377
• Document installation with brew by @reese in #372
• Print help args if running rubyfmt with no args in tty by @reese in #376
• Fix build for MacOS Big Sur arm builds by @reese in #371
• Handle escaping characters in single-quoted dyna_symbol expressions by @reese in #370
• Handle arbitrary expression types in aref_field nodes by @reese in #381
• Generically handle all method visibility modifiers by @reese in #369
• Properly multiline user-multilined call chains by @reese in #382
• Do not require file arguments to use -- in CLI invocations by @reese in #389
• Delete version update check by @reese in #387

Full Changelog: v0.8.0...v0.8.1