workflows: add docs deploy workflow (#34)

Author: Zaid

.github/workflows/docs.yml

@@ -0,0 +1,47 @@
+name: Deploy Docs
+on:
+  push:
+    branches:
+      - main
+jobs:
+  docs:
+    name: Deploy Docs
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install Node v15
+        uses: actions/setup-node@v1
+        with:
+          node-version: 15
+
+      - name: Install pnpm
+        run: curl -L https://unpkg.com/@pnpm/self-installer | node
+
+      - name: Use node_modules cache
+        uses: actions/cache@v2
+        with:
+          path: '**/node_modules'
+          key: ${{ runner.os }}-modules-${{ hashFiles('**/pnpm-lock.yaml') }}
+
+      - name: Install deps
+        run: pnpm i
+
+      - name: Build the code
+        run: pnpm run build
+
+      - name: Build the docs
+        run: pnpm run docs
+
+      - name: Commit the Docs
+        uses: cpina/github-action-push-to-another-repository@master
+        env:
+          API_TOKEN_GITHUB: ${{ secrets.API_TOKEN_GITHUB }}
+        with:
+          source-directory: 'doc'
+          destination-github-username: 'github-actions[bot]'
+          destination-repository-username: "cordis-lib"
+          destination-repository-name: 'cordis-lib.github.io'
+          target-branch: 'main'
+          user-email: 41898282+github-actions[bot]@users.noreply.github.com