refactor: improve argument parsing with switch case

feat: Remove vhs workflow and related files

docs: Fix typo and clarify `-t` flag usage in README.md

Update generated VHS GIF

feat: add getLastTagCommitSha func and update getCurrentTag

feat(main.go): Move userResponse print to main function

refactor: comment out unused errGuard call in main.go

feat(client): Add totalToken usage tracking

refactor(main.go): simplify error handling for tag and push functions

feat: Add printSuccess for displaying next tag

refactor(main.go): Update prompt format for better clarity

refactor: Handle empty currentTag and improve fetch logic

feat: Improve error message with errGuard in main.go

feat: add auto-push flag for ai-commit command

feat: add auto tag and list commits functionality