feat: enhance Docker image metadata and descriptions

- Added comprehensive description to Docker image labels
- Enhanced CI workflow with more detailed OCI image labels
- Updated Dockerfile with better description matching CI workflow
- Added version, revision, and creation timestamp metadata

Author: kjanat

.github/workflows/ci.yml

@@ -396,9 +396,15 @@ jobs:
             type=raw,value=latest,enable={{is_default_branch}}
           labels: |
             org.opencontainers.image.title=Articulate Parser
-            org.opencontainers.image.description=A tool to parse Articulate Rise courses and export them to various formats
+            org.opencontainers.image.description=A powerful CLI tool to parse Articulate Rise courses and export them to multiple formats (Markdown, HTML, DOCX). Supports media extraction, content cleaning, and batch processing for educational content conversion.
             org.opencontainers.image.vendor=kjanat
             org.opencontainers.image.licenses=MIT
+            org.opencontainers.image.url=https://github.com/${{ github.repository }}
+            org.opencontainers.image.source=https://github.com/${{ github.repository }}
+            org.opencontainers.image.documentation=https://github.com/${{ github.repository }}/blob/master/README.md
+            org.opencontainers.image.version=${{ github.ref_type == 'tag' && github.ref_name || github.sha }}
+            org.opencontainers.image.revision=${{ github.sha }}
+            org.opencontainers.image.created=${{ github.event.head_commit.timestamp }}
 
       - name: Build and push Docker image
         uses: docker/build-push-action@v6

Dockerfile

@@ -50,7 +50,7 @@ CMD ["--help"]
 
 # Add labels for metadata
 LABEL org.opencontainers.image.title="Articulate Parser"
-LABEL org.opencontainers.image.description="A tool to parse Articulate Rise courses and export them to various formats"
+LABEL org.opencontainers.image.description="A powerful CLI tool to parse Articulate Rise courses and export them to multiple formats (Markdown, HTML, DOCX). Supports media extraction, content cleaning, and batch processing for educational content conversion."
 LABEL org.opencontainers.image.vendor="kjanat"
 LABEL org.opencontainers.image.licenses="MIT"
 LABEL org.opencontainers.image.source="https://github.com/kjanat/articulate-parser"