Update readme

Author: bendera

README.md

@@ -2,9 +2,49 @@
 
 React wrapper components for [VSCode Elements](https://vscode-elements.github.io).
 
+## Install
+
 ```bash
 npm i @vscode-elements/react-elements
 ```
 
+## A minimal working example
+
+```typescript
+import {
+  VscodeBadge,
+  VscodeTabHeader,
+  VscodeTabPanel,
+  VscodeTabs,
+} from "@vscode-elements/react-elements";
+
+function App() {
+  const [count, setCount] = useState(0);
+
+  return (
+    <>
+      <VscodeTabs
+          onVscTabsSelect={(e) => {
+            console.log(e);
+          }}
+        >
+        <VscodeTabHeader>
+          Lorem
+          <span slot="content-after">
+            <VscodeBadge variant="counter">10</VscodeBadge>
+          </span>
+        </VscodeTabHeader>
+        <VscodeTabPanel>panel content 1</VscodeTabPanel>
+        <VscodeTabHeader>Ipsum</VscodeTabHeader>
+        <VscodeTabPanel>panel content 2</VscodeTabPanel>
+      </VscodeTabs>
+    </>
+  );
+}
+
+export default App;
+```
+
+
 > [!WARNING]
 > The package is not complete yet; only a subset of components is covered.