feat: Implement users get apps API endpoint

packages/backend/src/serializers/app.js

@@ -1,12 +1,22 @@
 const appSerializer = (app) => {
-  return {
-    name: app.name,
+  let appData = {
     key: app.key,
+    name: app.name,
     iconUrl: app.iconUrl,
+    primaryColor: app.primaryColor,
     authDocUrl: app.authDocUrl,
     supportsConnections: app.supportsConnections,
-    primaryColor: app.primaryColor,
   };
+
+  if (app.connectionCount) {
+    appData.connectionCount = app.connectionCount;
+  }
+
+  if (app.flowCount) {
+    appData.flowCount = app.flowCount;
+  }
+
+  return appData;
 };
 
 export default appSerializer;