Major overhaul

- Docker buildx support in CI
- Cypress API Testing in CI
- Restructured folder layout (insert clean face meme)
- Added Swagger documentation and validate API against that (to be completed)
- Use common base image for all supported archs, which includes updated nginx with ipv6 support
- Updated certbot and changes required for it
- Large amount of Hosts names will wrap in UI
- Updated packages for frontend
- Version bump 2.1.0

backend/lib/express/user-id-from-me.js

@@ -0,0 +1,9 @@
+module.exports = (req, res, next) => {
+    if (req.params.user_id === 'me' && res.locals.access) {
+        req.params.user_id = res.locals.access.token.get('attrs').id;
+    } else {
+        req.params.user_id = parseInt(req.params.user_id, 10);
+    }
+
+    next();
+};