chore: 初始化仓库,配置 Git LFS 管理大素材

- git init (分支 main) + remote origin → gitea comi-logic/vtubermini
- 根级 .gitignore 排除 node_modules/dist/android-build/releases(APK)/日志/.codex-logs
- .gitattributes 用 Git LFS 跟踪 *.png/*.mp4 等媒体(141 个文件)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

.gitattributes

@@ -0,0 +1,22 @@
+# Git LFS — 大二进制媒体资源
+# 图片
+*.png   filter=lfs diff=lfs merge=lfs -text
+*.jpg   filter=lfs diff=lfs merge=lfs -text
+*.jpeg  filter=lfs diff=lfs merge=lfs -text
+*.gif   filter=lfs diff=lfs merge=lfs -text
+*.webp  filter=lfs diff=lfs merge=lfs -text
+*.bmp   filter=lfs diff=lfs merge=lfs -text
+*.psd   filter=lfs diff=lfs merge=lfs -text
+# 视频
+*.mp4   filter=lfs diff=lfs merge=lfs -text
+*.mov   filter=lfs diff=lfs merge=lfs -text
+*.webm  filter=lfs diff=lfs merge=lfs -text
+*.m4v   filter=lfs diff=lfs merge=lfs -text
+# 音频
+*.mp3   filter=lfs diff=lfs merge=lfs -text
+*.wav   filter=lfs diff=lfs merge=lfs -text
+*.ogg   filter=lfs diff=lfs merge=lfs -text
+*.m4a   filter=lfs diff=lfs merge=lfs -text
+# 安装包(双保险,通常已被 .gitignore 排除)
+*.apk   filter=lfs diff=lfs merge=lfs -text
+*.aab   filter=lfs diff=lfs merge=lfs -text