Added Register functionality

backend/api/utils/get_client_ip.py

@@ -0,0 +1,14 @@
+def get_client_ip(request):
+    x_forwarded_for = request.META.get("HTTP_X_FORWARDED_FOR")
+    if x_forwarded_for:
+        ip = x_forwarded_for.split(",")[0]
+    else:
+        ip = request.META.get("REMOTE_ADDR")
+    return ip
+
+
+def update_user_ip(request):
+    user = request.user
+    ip_address = get_client_ip(request)
+    user.ip_address = ip_address
+    user.save()