add lots

app/ParkingLot.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+class ParkingLot extends Model
+{
+    protected $fillable = [ 'firebase_id', 'stall_coordinates', 'reference_image' ];
+
+    public function get_coordinates(){
+        return json_decode( $this->stall_coordinates );
+    }
+
+    public function set_coordinates( $coordinates ){
+        $this->stall_coordinates = json_encode( $coordinates );
+        $this->save();
+    }
+}