Housekeeping

* Updated flowbite to 4.x
* Start revamping styles
* Remove unused GraphQL code
* Make some templates more robuts

games/templates/add_game.html

@@ -1,7 +1,9 @@
 <c-layouts.add>
 <c-slot name="additional_row">
-    <input type="submit"
+    <c-button type="submit" color="gray"
                         name="submit_and_redirect"
-                        value="Submit & Create Purchase" />
+                        >
+    Submit & Create Purchase
+    </c-button>
 </c-slot>
 </c-layouts.add>