fix(controller): resolve F-01 — create missing HomeController with correct column names (lat/lng)

src/app/Http/Controllers/HomeController.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Support\Facades\DB;
+
+class HomeController extends Controller
+{
+    public function index()
+    {
+        $stations = DB::table('station')
+            ->select('stationid', 'name', 'district', 'lat', 'lng', 'rainfall', 'waterlevel', 'siren')
+            ->orderBy('stationid')
+            ->get();
+
+        return view('layout.dashboard', compact('stations'));
+    }
+}