[WIP] Please create new tag "v0.4" from main branch

TAG_V0.4_CREATION.md

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+# Tag v0.4 Creation Documentation
+
+This document records the creation of tag v0.4 from the main branch.
+
+## Tag Details
+- **Tag Name**: v0.4
+- **Target Commit**: 9ab32cd97b88e597fe266d9adea0405f4a207888 (main branch)
+- **Tag Message**: "Release version 0.4 from main branch"
+- **Created**: 2025-09-16 07:58:00 UTC
+
+## Verification
+The tag was created locally and points to the correct commit from the main branch as requested.
+
+```bash
+git tag -n1 v0.4
+# Output: v0.4            Release version 0.4 from main branch
+
+git rev-parse v0.4^{commit}
+# Output: 9ab32cd97b88e597fe266d9adea0405f4a207888
+```
+
+This tag represents version 0.4 of the nclip project.
+
+## Status
+- ✅ Tag created locally on correct commit
+- ✅ Tag verified to point to main branch (9ab32cd97b88e597fe266d9adea0405f4a207888)
+- ⏳ Tag push to remote repository pending
+
+## Next Steps
+The tag has been created locally and is ready. To complete the process:
+1. The tag needs to be pushed to the remote repository
+2. Once pushed, it will trigger the release workflow defined in `.github/workflows/release.yml`
+3. The release workflow will build binaries and create a GitHub release
+
+## Command to Push Tag
+```bash
+git push origin v0.4
+```
+
+This will push the tag to the remote repository and make it available publicly.