fix: detailContainer Component - Replaced class by func. comp (#130)

* refactor: coverted class comp. into func.comp

* refactor: added forward ref comp.

* fix: fixed external link color

* fix: fixed typo

* refactor: applied feedbacks

src/components/DetailContainer/DetailContainerContent.tsx

@@ -0,0 +1,30 @@
+import React from 'react';
+
+import Dependencies from '../Dependencies';
+import UpLinks from '../UpLinks';
+import Versions from '../Versions';
+
+import DetailContainerContentReadme from './DetailContainerContentReadme';
+import { TabPosition } from './tabs';
+
+interface Props {
+  tabPosition: TabPosition;
+  readDescription?: string;
+}
+
+const DetailContainerContent: React.FC<Props> = ({ tabPosition, readDescription }) => {
+  switch (tabPosition) {
+    case TabPosition.README:
+      return <DetailContainerContentReadme description={readDescription} />;
+    case TabPosition.UPLINKS:
+      return <UpLinks />;
+    case TabPosition.VERSIONS:
+      return <Versions />;
+    case TabPosition.DEPENDENCIES:
+      return <Dependencies />;
+    default:
+      return null;
+  }
+};
+
+export default DetailContainerContent;