Add loading param to validation

Author: lnbc1QWFyb24

src/validation.ts

@@ -260,6 +260,7 @@ export function validateModal(modal: ReadyModal): never | void {
     eventCode,
     action,
     icon,
+    loading,
     ...otherParams
   } = modal
 
@@ -295,6 +296,13 @@ export function validateModal(modal: ReadyModal): never | void {
     optional: true
   })
 
+  validateType({
+    name: 'loading',
+    value: loading,
+    type: 'object',
+    optional: true
+  })
+
   validateType({
     name: 'button',
     value: button,