ci: update renovate config for app dependencies (#37)

Author: rdunk

.github/renovate.json

@@ -12,6 +12,24 @@
     {
       "matchDepTypes": ["dependencies", "devDependencies"],
       "rangeStrategy": "bump"
+    },
+    {
+      "description": "Group all dependencies from the app directory",
+      "group": {
+        "semanticCommitType": "chore"
+      },
+      "matchDepTypes": [
+        "dependencies",
+        "devDependencies",
+        "engines",
+        "optionalDependencies",
+        "peerDependencies"
+      ],
+      "matchManagers": ["npm"],
+      "semanticCommitType": "chore",
+
+      "matchFileNames": ["apps/**/package.json"],
+      "groupName": "App dependencies"
     }
   ]
 }