Add Git tagging step to build workflow for automated versioning

Author: woldann

.github/workflows/build.yml

@@ -34,6 +34,16 @@ jobs:
       run: x86_64-w64-mingw32-strip build/ghostinjector-*.exe
     - name: Rename executable
       run: mv build/ghostinjector-*.exe build/ghostinjector.exe
+
+    - name: Create Git Tag with Commit Message
+      if: (github.ref == 'refs/heads/main' && github.event_name == 'push') || startsWith(github.ref, 'refs/tags/v')
+      run: |
+        TAG_NAME="${{ (github.ref == 'refs/heads/main' && 'latest') || github.ref_name }}"
+        COMMIT_MSG=$(git log -1 --pretty=%B)
+        git config user.name "github-actions"
+        git config user.email "github-actions@github.com"
+        git tag -a "$TAG_NAME" -m "$COMMIT_MSG" -f
+        git push origin "$TAG_NAME" -f
       
     - name: Create Release
       if: (github.ref == 'refs/heads/main' && github.event_name == 'push') || startsWith(github.ref, 'refs/tags/v')