feat: Adds ability to edit out webhook URL of API Channel (#3013)

app/javascript/shared/helpers/Validators.js

@@ -1,2 +1,4 @@
 export const isPhoneE164 = value => !!value.match(/^\+[1-9]\d{1,14}$/);
 export const isPhoneE164OrEmpty = value => isPhoneE164(value) || value === '';
+export const shouldBeUrl = (value = '') =>
+  value ? value.startsWith('http') : true;

app/javascript/shared/helpers/specs/ValidatorsHelper.spec.js

@@ -0,0 +1,7 @@
+import { shouldBeUrl } from '../Validators';
+
+describe('#shouldBeUrl', () => {
+  it('should return correct url', () => {
+    expect(shouldBeUrl('http')).toEqual(true);
+  });
+});