Add Blinks actions.json to app and overwrite it's headers via vercel.…

…config

packages/app/public/actions.json

@@ -0,0 +1,8 @@
+{
+  "rules": [
+    {
+      "pathPattern": "/**",
+      "apiPath": "https://blink.sunrisestake.com/api/actions/stake"
+    }
+  ]
+}

vercel.json

@@ -1,5 +1,33 @@
 {
   "installCommand": "yarn install --network-concurrency 2",
   "buildCommand": "yarn build",
-  "outputDirectory": "packages/app/build"
+  "outputDirectory": "packages/app/build",
+  "projects": [
+    {
+      "path": "packages/app",
+      "headers": [
+        {
+          "source": "/actions.json",
+          "headers": [
+            {
+              "key": "Access-Control-Allow-Origin",
+              "value": "*"
+            },
+            {
+              "key": "Access-Control-Allow-Methods",
+              "value": "GET,POST,PUT,OPTIONS"
+            },
+            {
+              "key": "Access-Control-Allow-Headers",
+              "value": "Content-Type, Authorization, Content-Encoding, Accept-Encoding"
+            },
+            {
+              "key": "Content-Type",
+              "value": "application/json"
+            }
+          ]
+        }
+      ]
+    }
+  ]
 }