chore: run PR preview on pull_request (#1677)

.github/workflows/preview.yml

@@ -0,0 +1,17 @@
+name: 🔂 Surge PR Preview
+
+on: [push, pull_request]
+
+jobs:
+  preview:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: afc163/surge-preview@v1
+        with:
+          surge_token: ${{ secrets.SURGE_TOKEN }}
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          build: |
+            yarn
+            yarn site:build
+          dist: public

package.json

@@ -62,7 +62,7 @@
     "tslib": "^1.13.0"
   },
   "devDependencies": {
-    "@antv/gatsby-theme-antv": "^1.0.0-beta.4",
+    "@antv/gatsby-theme-antv": "^1.0.0-beta.8",
     "@babel/core": "^7.10.4",
     "@babel/preset-env": "^7.10.4",
     "@commitlint/cli": "^8.2.0",
@@ -136,4 +136,4 @@
     }
   ],
   "license": "MIT"
-}
+}