Add frontend creation game (#13)

Reviewed-on: #13

src/GameIdeas/Client/GameIdeas.BlazorApp/Shared/Constants/Endpoints.cs

@@ -0,0 +1,14 @@
+namespace GameIdeas.BlazorApp.Shared.Constants;
+
+public static class Endpoints
+{
+    public static class Game
+    {
+
+    }
+
+    public static class Category
+    {
+        public static readonly string AllCategories = "api/Category/All";
+    }
+}