add number validation

app/controllers/api/submissions_controller.rb

@@ -189,7 +189,7 @@ module Api
                         { metadata: {}, values: {}, roles: [], readonly_fields: [], message: %i[subject body],
                           fields: [:name, :uuid, :default_value, :value, :title, :description,
                                    :readonly, :required, :validation_pattern, :invalid_message,
-                                   { default_value: [], value: [], preferences: {} }] }]]
+                                   { default_value: [], value: [], preferences: {}, validation: {} }] }]]
         }
       ]
 

app/controllers/api/templates_controller.rb

@@ -113,7 +113,7 @@ module Api
                     { preferences: {},
                       conditions: [%i[field_uuid value action operation]],
                       options: [%i[value uuid]],
-                      validation: %i[message pattern],
+                      validation: %i[message pattern min max step],
                       areas: [%i[x y w h cell_w attachment_uuid option_uuid page]] }]]
         }
       ]