[READ-ONLY] Mirror of https://github.com/bombshell-dev/tab. shell autocompletions for javascript CLIs

feat: add fish.ts & bash.ts (#19) master

* feat: add fish.ts & bash.ts * fix: format * cleanup: remove unused type definition * apply suggestions from @43081j review * fix: format * moar cleanup * fix: add missing serve command to demo.cac.ts to correct CLI test snapshots * fix: add serve command and use snapshot testing for shells - Add missing serve command to demo.cac.ts to correct CLI test snapshots - Implement suggestion to use toMatchSnapshot() for fish shell tests - Update snapshots to include proper completions