Remove @mui, move states into zustand store

ems/src/api/static/index.ts

@@ -0,0 +1,24 @@
+import express, { Request, Response } from 'express';
+import path from 'path';
+import fs from 'fs';
+
+const router = express.Router()
+
+const tileFolder = path.join(__dirname, '..', '..', '..', 'public', 'static')
+
+router.get('/:city_id', async (req: Request, res: Response) => {
+    const { city_id } = req.params
+
+    const tilePath1 = path.join(tileFolder, `${city_id}.jpg`)
+    const tilePath2 = path.join(tileFolder, `${city_id}.png`)
+
+    if (fs.existsSync(tilePath1)) {
+        return res.sendFile(tilePath1)
+    } else if (fs.existsSync(tilePath2)) {
+        return res.sendFile(tilePath2)
+    } else {
+        res.status(404).send('Tile is not generated or not provided')
+    }
+})
+
+export default router