Feature/bookmarks context menu

[ryomario]

Feature context menu in bookmarks page

Description

Provide context menu on right click on sidebar folder, folder item, bookmark item, and empty area.

Type of Change

• feat: A new feature (non-breaking change which adds functionality)
• fix: A bug fix (non-breaking change which fixes an issue)
• refactor: A code change that neither fixes a bug nor adds a feature
• docs: Documentation update
• style: Styling, formatting, or visual changes (non-breaking)
• perf: A code change that improves performance
• test: Adding missing tests or correcting existing tests
• chore: Auxiliary tasks, dependency updates, or build process updates

Checklist

• My code follows the project's Coding Style guidelines.
• My commit messages follow the Conventional Commits specification.
• I have run the linter locally and it passes (pnpm lint).
• I have added new tests for my changes (if applicable) or verified that existing tests pass (pnpm test).
• My build is successful locally (pnpm build).
• I have updated the documentation (like README.md or other docs) accordingly.
• I have verified that all GitHub Action workflows pass.