Try deploy docs automatically

.github/workflows/docs.yml

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+# This is a basic workflow to help you get started with Actions
+
+name: Deploy docs
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+on:
+  push:
+    branches:
+      - master
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+    # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+    - uses: actions/checkout@v2
+
+    # Runs a single command using the runners shell
+    - name: install theemo
+      run: yarn
+
+    - name: build api
+      run: yarn api
+
+    # Runs a set of commands using the runners shell
+    - name: install docusaurus
+      run: cd website && yarn
+
+    - name: build docusaurus
+      run: yarn build
+