Added changelog API method

app/Http/Controllers/UpdateController.php

@@ -2,6 +2,7 @@
 
 namespace App\Http\Controllers;
 
+use Exception;
 use Updater;
 use Illuminate\Http\Request;
 
@@ -58,4 +59,20 @@ class UpdateController extends Controller
             'success' => $cp,
         ], 200);
     }
+
+    public function changelog()
+    {
+        $url = base_path() . '/changelog.json';
+
+        try {
+            $changelog = json_decode(file_get_contents($url), true);
+        } catch(Exception $e) {
+            $changelog = [];
+        }
+
+        return response()->json([
+            'method' => 'get changelog',
+            'data' => $changelog
+        ], 200);
+    }
 }