feat(navigate) bases of idfm integration

services/stop_service.php

@@ -0,0 +1,10 @@
+<?php
+
+function getStops($line) {
+    $json = file_get_contents("../data/stops.json");
+    $data = json_decode($json, true);
+    $result = array_filter($data, function($item) use ($line) {
+        return $item['fields']['mode'] === 'METRO' && $item['fields']['indice_lig'] === "$line";
+    });
+    return $result;
+}