更新 'README.md'

README.md

@@ -1,3 +1,7 @@
 # BeatLyrics
 
-A Beat Saber Plugin for display Lyrics in game
+A Beat Saber Plugin for display Lyrics in game!
+
+![Screenshot](https://blog.topcl.net:8443/content/uploadfile/202008/57581596331254.png)
+
+Usage: https://www.topcl.net/custom-technology/build-a-beat-saber-lyric-plugin.html