ci: documentation deployment workflow

.github/actions/setup/action.yml

@@ -0,0 +1,14 @@
+name: Setup
+
+description: Checkout repository & install dependencies
+
+runs:
+  using: composite
+  steps:
+    - uses: actions/setup-node@v4
+      with:
+        node-version-file: .nvmrc
+        cache: yarn
+
+    - run: yarn install --immutable
+      shell: bash

.github/workflows/apps.yml

@@ -0,0 +1,25 @@
+name: Applications
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  deploy-documentation:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/actions/setup
+
+      - run: yarn build
+
+      - uses: cloudflare/pages-action@v1
+        with:
+          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
+          projectName: reactive-dot
+          directory: apps/docs/build

.nvmrc

@@ -0,0 +1 @@
+lts/*