ci: Add gh action to deploy docs to docs repository

Author: kristijanhusak

.github/workflows/web_docs.yml

@@ -0,0 +1,23 @@
+name: web_docs
+
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - docs/**
+
+jobs:
+  web_docs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Push docs to nvim-orgmode.github.io repository
+        uses: nkoppel/[email protected]
+        env:
+          API_TOKEN_GITHUB: ${{ secrets.GH_TOKEN }}
+        with:
+          source-files: 'docs/'
+          destination-username: 'nvim-orgmode'
+          destination-repository: 'nvim-orgmode.github.io'
+          commit-email: '[email protected]'