docs(keycode): add example

examples/keycode/read-key.ts

@@ -0,0 +1,31 @@
+#!/usr/bin/env -S RUST_BACKTRACE=1 deno
+
+import { KeyCode } from '../../packages/keycode/lib/key-code.ts';
+
+async function read(): Promise<void> {
+
+    const buffer = new Uint8Array( 8 );
+
+    Deno.setRaw( 0, true );
+    const nread = await Deno.stdin.read( buffer );
+    Deno.setRaw( 0, false );
+
+    if ( nread === Deno.EOF ) {
+        return;
+    }
+
+    const data = buffer.subarray( 0, nread );
+
+    const event = KeyCode.parse( data );
+
+    if ( event && event.name === 'c' && event.ctrl ) {
+        console.log( 'exit' );
+        return;
+    }
+
+    console.log( event );
+
+    await read();
+}
+
+await read();