docs(#57): remove gha tag ref in docs

[Myastr0]

Fixes #57

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• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes to Core Features:

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Description

This PR removes version tags (@v1) from all GitHub Actions examples in the documentation. The changes update all references from:

• Myastr0/mk-notes/preview@v1 → Myastr0/mk-notes/preview
• Myastr0/mk-notes/sync@v1 → Myastr0/mk-notes/sync

Changes Made

Updated documentation files to remove version tags from GitHub Actions usage:

• docs/content/docs/github-actions/available-actions/1-preview-action.mdx - Removed @v1 from all preview action examples
• docs/content/docs/github-actions/available-actions/2-sync-action.mdx - Removed @v1 from all sync action examples
• docs/content/docs/github-actions/best-practices.mdx - Removed @v1 from best practice examples
• docs/content/docs/github-actions/troubleshooting.mdx - Removed @v1 from troubleshooting examples

Why This Change?

Removing version tags allows GitHub Actions to automatically use the latest version of the actions, ensuring users always have access to the most recent features and bug fixes without needing to manually update version numbers in their workflows.

Testing

• Documentation changes only - no code changes
• Verified all examples are syntactically correct
• Confirmed consistency across all documentation files

[Myastr0]

👋 Hi, Myastr0! Thanks for opening a PR. We will review it soon.
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