workflow: improve template-explorer local load speed

package.json

@@ -14,7 +14,10 @@
     "test": "node scripts/build.js vue -f global -d && jest",
     "test-dts": "node scripts/build.js reactivity runtime-core runtime-dom -t -f esm && tsd",
     "release": "node scripts/release.js",
-    "changelog": "conventional-changelog -p angular -i CHANGELOG.md -s"
+    "changelog": "conventional-changelog -p angular -i CHANGELOG.md -s",
+    "dev-compiler": "npm-run-all --parallel \"dev template-explorer\" serve",
+    "serve": "serve",
+    "open": "open http://localhost:5000/packages/template-explorer/local.html"
   },
   "types": "test-dts/index.d.ts",
   "tsd": {
@@ -42,20 +45,22 @@
     "@types/puppeteer": "^2.0.0",
     "brotli": "^1.3.2",
     "chalk": "^2.4.2",
-    "csstype": "^2.6.8",
     "conventional-changelog-cli": "^2.0.31",
+    "csstype": "^2.6.8",
     "enquirer": "^2.3.2",
     "execa": "^2.0.4",
     "fs-extra": "^8.1.0",
     "jest": "^24.9.0",
     "lint-staged": "^9.2.3",
     "minimist": "^1.2.0",
+    "npm-run-all": "^4.1.5",
     "prettier": "~1.14.0",
     "puppeteer": "^2.0.0",
     "rollup": "^1.19.4",
     "rollup-plugin-terser": "^5.1.1",
     "rollup-plugin-typescript2": "^0.24.0",
     "semver": "^6.3.0",
+    "serve": "^11.3.0",
     "ts-jest": "^24.0.2",
     "tsd": "^0.11.0",
     "typescript": "^3.7.0",