Merge pull request #424 from CNinnovation/381-clean-up-custom-exception-types

Replaced ConfigurationNotFoundException in CodeBreaker.Shared

Author: christiannagel

src/shared/CodeBreaker.Shared/Exceptions/ConfigurationNotFoundException.cs

@@ -1,10 +1,7 @@
-using CodeBreaker.Shared.Exceptions;
-using Microsoft.Extensions.Configuration;
-
-namespace Microsoft.Extensions.Configuration;
+namespace Microsoft.Extensions.Configuration;
 
 public static class ConfigExtensions
 {
     public static string GetRequired(this IConfiguration config, string configKey) =>
-        config[configKey] ?? throw new ConfigurationNotFoundException(configKey);
+        config[configKey] ?? throw new InvalidOperationException($"Could not find configuration with key: \"{configKey}\"");
 }