Add test client settings example, switch to YAML

.gitignore

@@ -4,7 +4,7 @@
 ## Get latest from https://github.com/github/gitignore/blob/main/VisualStudio.gitignore
 
 # Secrets
-appsettings.json
+settings.yml
 
 # User-specific files
 *.rsuser

src/TestApp/Program.cs

@@ -3,7 +3,7 @@
 Console.WriteLine("Hello, World!");
 
 var configuration = new ConfigurationBuilder()
-    .AddJsonFile("appsettings.json", false, true)
+    .AddYamlFile("settings.yml", false, true)
     .Build();
 
 var linkAceConfig = configuration.GetSection("LinkAce");

src/TestApp/TestApp.csproj

@@ -11,10 +11,11 @@
     <ItemGroup>
       <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
       <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" />
+      <PackageReference Include="NetEscapades.Configuration.Yaml" Version="3.1.0" />
     </ItemGroup>
 
     <ItemGroup>
-      <None Update="appsettings.json">
+      <None Update="settings.yml">
         <CopyToOutputDirectory>Always</CopyToOutputDirectory>
       </None>
     </ItemGroup>

src/TestApp/settings.example.yml

@@ -0,0 +1,3 @@
+LinkAce:
+  Url: https://links.example.com
+  ApiToken: