spring cleaning and refactoring

pages/footer.md

@@ -0,0 +1,13 @@
+## Contributing
+
+Want to add an app or fix a config? See the [Contributing Guide](CONTRIBUTING.md) for setup instructions, how to add apps, and the pre-commit checklist.
+
+Quick version:
+
+```bash
+git clone https://github.com/RJNY/Obtainium-Emulation-Pack.git
+cd Obtainium-Emulation-Pack
+
+# Add or edit apps in src/applications.json (or use make add-app)
+make release   # validate, regenerate README, and build release JSONs
+```