Fix: Convert protocol_summarizer_webapp from submodule to regular files

- Remove protocol_summarizer_webapp submodule reference
- Add all webapp files as regular files to enable proper PR creation
- Includes Streamlit app, documentation, and configuration files

community-contributions/protocol_summarizer_webapp/.gitignore

@@ -0,0 +1,30 @@
+updates.md
+.env
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info/
+.installed.cfg
+*.egg
+venv/
+ENV/
+.streamlit/
+.idea/
+.vscode/
+*.swp
+*.swo
+.DS_Store