fix(striker-ui-api): enable CORS for all origins

striker-ui-api/app.js

@@ -1,3 +1,4 @@
+const cors = require('cors');
 const express = require('express');
 const path = require('path');
 
@@ -9,6 +10,7 @@ const filesRouter = require('./routes/files');
 const app = express();
 
 app.use(express.json());
+app.use(cors());
 
 app.use(path.join(API_ROOT_PATH, 'echo'), echoRouter);
 app.use(path.join(API_ROOT_PATH, 'files'), filesRouter);