Large update for all components

reorganization, linting, updating file imports, consolidation
warning: there will be errors in this commit
todo: update webpack, add missing styles, scss files, consolidate the rest of components within features/*

app/javascript/gabsocial/components/panel/panel_layout.js

@@ -0,0 +1,26 @@
+import './panel.scss';
+
+export default class PanelLayout extends PureComponent {
+  static propTypes = {
+    title: PropTypes.string,
+    icon: PropTypes.string,
+    children: PropTypes.node,
+  };
+
+  render() {
+    const {title, icon, children} = this.props;
+
+    return (
+      <div className='panel'>
+        <div className='panel-header'>
+          {icon && <Icon id={icon} className='panel-header__icon' />}
+          <span className='panel-header__title'>{title}</span>
+        </div>
+        <div className='panel__content'>
+          {children}
+        </div>
+      </div>
+    );
+  };
+
+};