Add Firebase configs

Author: zoltantothcom

.firebaserc

@@ -0,0 +1,5 @@
+{
+  "projects": {
+    "default": "design-patterns-game-test"
+  }
+}

firebase.json

@@ -0,0 +1,16 @@
+{
+  "hosting": {
+    "public": "build",
+    "ignore": [
+      "firebase.json",
+      "**/.*",
+      "**/node_modules/**"
+    ],
+    "rewrites": [
+      {
+        "source": "**",
+        "destination": "/index.html"
+      }
+    ]
+  }
+}