chore: format all common files (#431)

common/_templates/component/src/demo/index.tsx

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+
 import React, { useState } from 'react';
 
 import classNames from 'classnames';

common/_templates/component/src/index.tsx

@@ -13,5 +13,5 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+
 export { DemoComponent } from './demo';