Add rules to input

src/app/shared/publication/new-publication/new-publication.page.ts

@@ -142,6 +142,10 @@ export class NewPublicationPage implements OnInit {
       Subject: new FormControl(this.pub.Title, [
         Validators.required,
         // Validators.minLength(4)
+      ]),
+      Message: new FormControl(this.pub.Message, [
+        // Validators.required
+        Validators.maxLength(1000)
       ])
     })
   }