docs: try vercel.json for SPA fallback

docs/package.json

@@ -6,8 +6,7 @@
     "dev:svite": "svite",
     "build": "run-s build:*",
     "build:routify": "routify run -b",
-    "build:svite": "svite build",
-    "postbuild": "node scripts/postbuild"
+    "build:svite": "svite build"
   },
   "devDependencies": {
     "@carbon/themes": "^10.20.0",
@@ -20,6 +19,7 @@
     "mdsvex": "^0.8.8",
     "node-sass": "^4.14.1",
     "npm-run-all": "^4.1.5",
+    "playwright": "^1.4.2",
     "playwright-aws-lambda": "^0.6.0",
     "playwright-core": "^1.4.2",
     "polka": "^0.5.2",

docs/vercel.json

@@ -0,0 +1,7 @@
+{
+  "version": 2,
+  "routes": [
+    { "handle": "filesystem" },
+    { "src": "/.*", "dest": "/index.html" }
+  ]
+}

docs/yarn.lock

@@ -3343,6 +3343,22 @@ playwright-core@^1.4.2:
     rimraf "^3.0.2"
     ws "^7.3.1"
 
+playwright@^1.4.2:
+  version "1.4.2"
+  resolved "https://registry.npmjs.org/playwright/-/playwright-1.4.2.tgz#84dac641ff7af9f465e367e01fde8a8f1cc274bf"
+  integrity sha512-qiQHrhU4JBxup9JoGZff6hdFL2VrD+ae5QLELGHwRq/vYNQFeJF10Z3ENnQ6hWJmG+YnpfzgoBvX+cUg4WHwTw==
+  dependencies:
+    debug "^4.1.1"
+    extract-zip "^2.0.1"
+    https-proxy-agent "^5.0.0"
+    jpeg-js "^0.4.2"
+    mime "^2.4.6"
+    pngjs "^5.0.0"
+    progress "^2.0.3"
+    proxy-from-env "^1.1.0"
+    rimraf "^3.0.2"
+    ws "^7.3.1"
+
 pngjs@^5.0.0:
   version "5.0.0"
   resolved "https://registry.npmjs.org/pngjs/-/pngjs-5.0.0.tgz#e79dd2b215767fd9c04561c01236df960bce7fbb"