updated README

Author: bdbch

README.md

@@ -9,3 +9,28 @@
 ```sh
 npm i @d2k/react-devto --save
 ```
+
+# Usage
+
+```js
+import {
+  useArticles,
+  useFollowSuggestions,
+  useTags,
+  useUser
+} from "@d2k/react-devto";
+
+const MyComponent = () => {
+  // useArticles(page, tag, username)
+  const { articles, loading, error } = useArticles();
+
+  // useFollowSuggestions()
+  const { suggestions, loading, error } = useFollowSuggestions();
+
+  // useTags(page)
+  const { tags, loading, error } = useTags();
+
+  // useUser(username, id)
+  const { user, loading, error } = useUser("bdbch");
+};
+```