refactor: replace CFormFeedback with CValidFeedback and CInvalidFeedback

Author: woothu

src/CFormFeedback.js

@@ -37,6 +37,6 @@ CFormFeedback.propTypes = {
   tooltip: PropTypes.bool
 };
 
-// export const CValidFeedback = props => <CFormFeedback {...props} valid/>
-// export const CInvalidFeedback = props => <CFormFeedback {...props} valid={false}/>
+export const CValidFeedback = props => <CFormFeedback {...props} valid/>
+export const CInvalidFeedback = props => <CFormFeedback {...props} valid={false}/>
 export default CFormFeedback

src/index.js

@@ -42,7 +42,11 @@ export {default as CDropdownItem} from './CDropdownItem';
 export {default as CDropdownMenu} from './CDropdownMenu';
 export {default as CDropdownToggle} from './CDropdownToggle';
 export {default as CForm} from './CForm';
-export {default as CFormFeedback} from './CFormFeedback';
+export {
+  CValidFeedback,
+  CInvalidFeedback
+}
+from './CFormFeedback';
 export {default as CFormGroup} from './CFormGroup';
 export {default as CFormText} from './CFormText';
 export {