Add compile time check is there geo url module or not

Author: shahryarjb

lib/macros/guarded_struct/derive/validation_derive.ex

@@ -293,8 +293,10 @@ defmodule MishkaDeveloperTools.Macros.GuardedStruct.Derive.ValidationDerive do
     end
   end
 
-  def validate(:geo_url, input, field) do
-    location("geo:#{input}", field, :geo_url)
+  if Code.ensure_loaded?(URL) do
+    def validate(:geo_url, input, field) do
+      location("geo:#{input}", field, :geo_url)
+    end
   end
 
   if Code.ensure_loaded?(EmailChecker) do