dependency upgrades, server and platform module updates, linting wip

src/backend/db.ts

@@ -1,7 +1,7 @@
 // Our API for demos only
 export const fakeDataBase = {
   get() {
-    let res = { data: 'This fake data came from the db on the server.' };
+    const res = { data: 'This fake data came from the db on the server.' };
     return Promise.resolve(res);
   }
 };