feat: improve cross-uni app workflow

frontend/app/config/config.schema.json

@@ -0,0 +1,67 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "App Config",
+  "type": "object",
+  "properties": {
+    "$schema": {
+      "type": "string"
+    },
+    "appName": {
+      "type": "string",
+      "description": "Full app name",
+      "examples": ["Open StApps"]
+    },
+    "appDisplayName": {
+      "type": "string",
+      "description": "App name on mobile device homescreen (Not much space)",
+      "examples": ["StApps"]
+    },
+    "backendUrl": {
+      "type": "string",
+      "description": "Publicly available backend url",
+      "examples": ["https://your.backend.server.tld"]
+    },
+    "backendVersion": {
+      "type": "string",
+      "description": "Minimum backend version the app will request",
+      "examples": ["3.0.0"]
+    },
+    "appLinkHost": {
+      "type": "string",
+      "description": "Your host used for universal (deep) links",
+      "examples": ["your.deep.link.host.tdl"]
+    },
+    "appUrlScheme": {
+      "type": "string",
+      "description": "Custom url scheme for native app versions",
+      "examples": ["de.anyschool.app"]
+    },
+    "appMarketingVersion": {
+      "type": "string",
+      "description": "App marketing version used in Stores (preferably SemVer or CalVer)",
+      "examples": ["1.0.0"]
+    },
+    "android": {
+      "type": "object",
+      "properties": {
+        "packageName": {
+          "type": "string",
+          "description": "Android package name",
+          "examples": ["de.anyschool.app"]
+        }
+      },
+      "required": ["packageName"]
+    }
+  },
+  "required": [
+    "$schema",
+    "appName",
+    "appDisplayName",
+    "backendUrl",
+    "backendVersion",
+    "appLinkHost",
+    "appUrlScheme",
+    "appMarketingVersion",
+    "android"
+  ]
+}