DocScrape action (#328)

* Create docsearch.yml

* Create algolia-config.json

* Update docsearch.yml

* Update docsearch.yml

* change action on schedule

Would end up being ran multiple times on push, algolia scrapes once a day so makes more sense

.github/workflows/algolia-config.json

@@ -0,0 +1,37 @@
+{
+  "index_name": "ant_design_blazor",
+  "start_urls": [
+    {
+      "url": "https://ant-design-blazor.github.io/zh-CN/",
+      "tags": [
+        "cn"
+      ]
+    },
+    {
+      "url": "https://ant-design-blazor.github.io/en-US/",
+      "tags": [
+        "en"
+      ]
+    }
+  ],
+  "stop_urls": [
+    "/changelog"
+  ],
+  "selectors": {
+    "lvl0": {
+      "selector": ".ant-menu-submenu-selected h4",
+      "global": true,
+      "default_value": "Documentation"
+    },
+    "lvl1": "article h1",
+    "lvl2": "article h2",
+    "lvl3": "article h3",
+    "lvl4": "article h4",
+    "lvl5": "article h5",
+    "text": "article p, article li"
+  },
+  "strip_chars": "#",
+  "min_indexed_level": 1,
+  "js_render": true,
+  "js_wait": 5
+}

.github/workflows/docsearch.yml

@@ -0,0 +1,17 @@
+name: DocSearch Scraper
+
+on:
+  schedule:
+    - cron: "0 1 * * *"
+
+jobs:
+  docsearch-scrape:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - name: scrape
+      uses: darrenjennings/algolia-docsearch-action@master
+      with:
+        algolia_application_id: ${{ secrets.algolia_application_id }}
+        algolia_api_key: ${{ secrets.algolia_api_key }}
+        file: '.github/workflows/algolia-config.json'