Run code clean and fix messages (#45)

Reviewed-on: #45

src/GameIdeas/Server/GameIdeas.WebAPI/Program.cs

@@ -39,7 +39,7 @@ services.AddIdentity<User, IdentityRole>()
     .AddDefaultTokenProviders();
 
 var jwtKey = Environment.GetEnvironmentVariable("JWT_KEY")
-    ?? throw new ArgumentNullException(message: "Invalid key for JWT token", null); 
+    ?? throw new ArgumentNullException(message: "Invalid key for JWT token", null);
 
 services.AddAuthentication(options =>
 {