Add JWT auth for protected routes, add /reg endpoint, remove /user endpoints

bin/models/geoposition.dart

@@ -1,19 +1,15 @@
 class Geoposition {
   final int id;
-  final int userId;
   final double xValue;
   final double yValue;
-  final DateTime datetime;
-  final Duration lifetime;
+  final DateTime lastUpdate;
   final DateTime expiresAt;
   
   Geoposition({
     required this.id,
-    required this.userId,
     required this.xValue,
     required this.yValue,
-    required this.datetime,
-    required this.lifetime,
+    required this.lastUpdate,
     required this.expiresAt,
   });
   
@@ -22,7 +18,7 @@ class Geoposition {
       'id': id,
       'x': xValue,
       'y': yValue,
-      'datetime': datetime.toIso8601String(),
+      'lastUpdate': lastUpdate.toIso8601String(),
       'remainingSeconds': expiresAt.difference(DateTime.now()).inSeconds,
     };
   }
@@ -30,11 +26,9 @@ class Geoposition {
   factory Geoposition.fromMap(Map<String, dynamic> map) {
     return Geoposition(
       id: map['id'],
-      userId: map['user_id'],
       xValue: map['x_value'].toDouble(),
       yValue: map['y_value'].toDouble(),
-      datetime: map['datetime'] as DateTime,
-      lifetime: Duration(seconds: map['lifetime']),
+      lastUpdate: map['last_update'] as DateTime,
       expiresAt: map['expires_at'] as DateTime,
     );
   }