add: skin viewer, refatoring to api

package.json

@@ -109,6 +109,8 @@
     "@mui/material": "^7.2.0",
     "@xmcl/core": "^2.14.1",
     "@xmcl/installer": "^6.1.0",
+    "@xmcl/model": "^2.0.4",
+    "@xmcl/resourcepack": "^1.2.4",
     "@xmcl/user": "^4.2.0",
     "electron-debug": "^4.1.0",
     "electron-log": "^5.3.2",
@@ -119,7 +121,9 @@
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "react-router-dom": "^7.3.0",
+    "skinview3d": "^3.4.1",
     "stream-browserify": "^3.0.0",
+    "three": "^0.178.0",
     "undici": "^7.11.0",
     "util": "^0.12.5",
     "uuid": "^11.1.0"
@@ -137,6 +141,7 @@
     "@types/react": "^19.0.11",
     "@types/react-dom": "^19.0.4",
     "@types/react-test-renderer": "^19.0.0",
+    "@types/three": "^0.178.1",
     "@types/webpack-bundle-analyzer": "^4.7.0",
     "@typescript-eslint/eslint-plugin": "^8.26.1",
     "@typescript-eslint/parser": "^8.26.1",