新增对播放详情页歌词大小、是否缩放、对齐方式的设置

src/renderer/store/mutations.js

@@ -35,6 +35,9 @@ export default {
       state.setting.player.volume = val
     }
   },
+  setPlayDetailLyricFont(state, val) {
+    state.setting.playDetail.style.fontSize = val
+  },
   setPlayNextMode(state, val) {
     state.setting.player.togglePlayMethod = val
   },