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/access/permissions.json

@@ -0,0 +1,15 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "perms",
+  "definitions": {
+    "view": {
+      "type": "string",
+      "pattern": "^(view|manage)$"
+    },
+    "manage": {
+      "type": "string",
+      "pattern": "^(manage)$"
+    }
+  }
+}
+