fork(fix): Clone AMLL 并修复 BUG

- 将AMLL Clone到本以地进行修复和优化(emm虽然这很不优雅但是暂时无时间做子模块和Fork)
- 修复在当前播放歌词行不可见的视口Seek会出现滚动偏移的问题

amll-local/tsconfig.json

@@ -0,0 +1,12 @@
+{
+	"files": [],
+	"references": [
+		{ "path": "packages/core" },
+		{ "path": "packages/docs" },
+		{ "path": "packages/react" },
+		{ "path": "packages/react-full" },
+		{ "path": "packages/vue" },
+		{ "path": "packages/lyric" },
+		{ "path": "packages/ttml" }
+	]
+}