Add static web app config

src/Client/staticwebapp.config.json

@@ -0,0 +1,9 @@
+{
+  "navigationFallback": {
+    "rewrite": "index.html",
+    "exclude": ["/static/media/*.{png,jpg,jpeg,gif,bmp}", "/static/css/*"]
+  },
+  "mimeTypes": {
+    ".json": "text/json"
+  }
+}