website: add example. #650

www/src/pages/examples/Example650.tsx

@@ -0,0 +1,27 @@
+import CodeMirror from '@uiw/react-codemirror';
+import { langs } from '@uiw/codemirror-extensions-langs';
+import * as events from '@uiw/codemirror-extensions-events';
+import { Fragment } from 'react';
+
+/**
+ * https://github.com/uiwjs/react-codemirror/issues/650
+ */
+export function Component() {
+  const extension = events.content({
+    paste: (event) => {
+      event.preventDefault();
+    },
+  });
+  return (
+    <Fragment>
+      <CodeMirror
+        value={`console.log('hello')`}
+        theme="none"
+        height="400px !important"
+        width="100%"
+        style={{ margin: '0 0 23px 0', flex: 1 }}
+        extensions={[langs.markdown(), extension]}
+      />
+    </Fragment>
+  );
+}

www/src/router.tsx

@@ -658,6 +658,11 @@ export const routes: MenuRouteObject[] = [
             label: 'How to remove all syntax highlighting?',
             lazy: () => import('./pages/examples/Example431'),
           },
+          {
+            path: '650',
+            label: 'How To Disable Copy Paste in Editor?',
+            lazy: () => import('./pages/examples/Example650'),
+          },
           {
             path: '674',
             label: 'Browser spell checking',