Add Redis.io code examples

- Add set & get example
- Use bash script to test doc tests
- Add package.json to doctests
- Add search-quickstart

.github/workflows/doctests.yml

@@ -0,0 +1,41 @@
+name: Documentation Tests
+
+on:
+  push:
+  pull_request:
+
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  doctests:
+    runs-on: ubuntu-latest
+    services:
+      redis-stack:
+        image: redis/redis-stack-server:latest
+        options: >-
+          --health-cmd "redis-cli ping" --health-interval 10s --health-timeout 5s --health-retries 5
+        ports:
+          - 6379:6379
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v2.3.0
+        with:
+          node-version: 18
+      - name: Install Packages
+        run: npm ci
+      - name: Build
+        run: npm run build-all
+      - run: |
+          sudo apt update
+          sudo apt install -y redis-tools
+      - name: install doctest deps
+        run: |
+          npm install
+        working-directory: doctests
+      - name: run tests
+        run: |
+          sh run_examples.sh
+        working-directory: doctests