chore(build): try to build demo and docs (#3434)

package.json

@@ -50,8 +50,7 @@
     "lerna:clean": "lerna clean",
     "lerna:cache": "./netlify-lerna-cache.sh",
     "lerna:restore": "./netlify-lerna-restore.sh",
-    "lerna:version": "npx lerna version prerelease --force-publish",
-    "lerna:publish": "lerna publish from-package --dist-tag next",
+    "lerna:customVersion": "node version.mjs",
     "link-list": "npm ls --depth=0 --link=true"
   },
   "dependencies": {
@@ -103,6 +102,7 @@
     "eslint-plugin-react-hooks": "^4.4.0",
     "eslint-plugin-tsdoc": "^0.2.11",
     "eslint-webpack-plugin": "^2.5.3",
+    "execa": "^7.1.1",
     "extract-css-chunks-webpack-plugin": "^4.5.4",
     "html-webpack-plugin": "^5.3.2",
     "husky": "^3.0.0",
@@ -120,6 +120,7 @@
     "postcss-preset-env": "^7.4.3",
     "prettier": "^1.18.2",
     "react-hot-loader": "^4.13.0",
+    "semver": "^7.5.1",
     "serve": "^14.2.0",
     "shader-loader": "^1.3.1",
     "start-server-and-test": "^1.10.0",