feat(live2d): 添加 Live2D 渲染插件及相关依赖，替代 Firefox kiosk 方案

.build.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+cd /home/showen/Showen/ShowenV2
+export PATH=/home/showen/.rustup/toolchains/stable-aarch64-unknown-linux-gnu/bin:$PATH
+cargo check 2>&1 | tail -80
+echo "EXIT=$?"