fix: deployment previews for UI docs and Core docs

- workaround for docz issue https://github.com/pedronauck/docz/issues/1635
- tailwind purge
- fix docusaurus basename and docz missing props

package.json

@@ -6,6 +6,9 @@
       "platform/*",
       "extensions/*",
       "modes/*"
+    ],
+    "nohoist": [
+      "**/html-minifier-terser"
     ]
   },
   "engines": {
@@ -94,8 +97,9 @@
     "lerna": "^3.15.0",
     "lint-staged": "^9.0.2",
     "optimize-css-assets-webpack-plugin": "^5.0.3",
+    "postcss": "^8.2.15",
     "postcss-import": "^12.0.1",
-    "postcss-loader": "^3.0.0",
+    "postcss-loader": "^4.0.3",
     "postcss-preset-env": "^6.6.0",
     "prettier": "^1.18.2",
     "react-hot-loader": "^4.12.21",