add publish command

Author: MoOx

package.json

@@ -12,7 +12,8 @@
     "clear": "docusaurus clear",
     "serve": "docusaurus serve",
     "write-translations": "docusaurus write-translations",
-    "write-heading-ids": "docusaurus write-heading-ids"
+    "write-heading-ids": "docusaurus write-heading-ids",
+    "publish": "npm run build && ./deploy.sh"
   },
   "dependencies": {
     "@docusaurus/core": "2.0.0-alpha.73",