fix: rename CHeaderSubheader to CSubheader, clean component

Author: woothu

src/CHeaderSubheader.js

@@ -0,0 +1,41 @@
+import React from 'react'
+import PropTypes from 'prop-types'
+import classNames from 'classnames'
+import { tagPropType, mapToCssModules } from './Shared/helper.js'
+
+//component - CoreUI / CSubheader
+const CSubheader = props => {
+
+  const {
+    tag: Tag,
+    className,
+    cssModule,
+    //
+    innerRef,
+    ...attributes
+  } = props
+
+  //render
+  const classes = mapToCssModules(classNames(
+    'c-subheader',
+    className
+  ), cssModule)
+
+  return (
+    <Tag className={classes} {...attributes} ref={innerRef}/>
+  )
+}
+
+CSubheader.propTypes = {
+  tag: tagPropType,
+  className: PropTypes.string,
+  cssModule: PropTypes.object,
+  //
+  innerRef: PropTypes.oneOfType([PropTypes.object, PropTypes.func, PropTypes.string])
+};
+
+CSubheader.defaultProps = {
+  tag: 'div'
+};
+
+export default CSubheader

src/CSubheader.js

@@ -80,7 +80,7 @@ export {default as CHeaderNav} from './CHeaderNav';
 export {default as CHeaderNavItem} from './CHeaderNavItem';
 export {default as CHeaderNavLink} from './CHeaderNavLink';
 export {default as CHeaderBrand} from './CHeaderBrand';
-export {default as CHeaderSubheader} from './CHeaderSubheader';
+export {default as CSubheader} from './CSubheader';
 export {default as CNavbarBrand} from './CNavbarBrand';
 export {default as CNavbarNav} from './CNavbarNav';
 export {default as CNavbarText} from './CNavbarText';