fix: make preview build generate styles

Author: afc163

package.json

@@ -29,12 +29,12 @@
     "es"
   ],
   "scripts": {
-    "build": "npm run docs:build",
+    "build": "npm run compile && npm run docs:build",
     "compile": "father build && lessc assets/index.less assets/index.css",
     "coverage": "rc-test --coverage",
     "docs:build": "dumi build",
     "docs:deploy": "gh-pages -d docs-dist",
-    "gh-pages": "GH_PAGES=1 npm run docs:build && npm run docs:deploy",
+    "gh-pages": "GH_PAGES=1 npm run compile && npm run docs:build && npm run docs:deploy",
     "lint": "eslint src/ --ext .ts,.tsx,.jsx,.js,.md",
     "prepublishOnly": "npm run compile && rc-np",
     "prettier": "prettier --write --ignore-unknown .",