feat: implement read and write methods for json file storage provider

src/StevanFreeborn.Extensions.Configuration.Secure.Sample/Program.cs

@@ -0,0 +1,38 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Options;
+
+using StevanFreeborn.Extensions.Configuration.Secure.Sample;
+using StevanFreeborn.Extensions.Configuration.Secure.Storage;
+
+var builder = Host.CreateApplicationBuilder();
+
+const string configFileName = "appsettings.json";
+var opts = new JsonStorageOptions()
+{
+  FileName = configFileName,
+};
+
+var storageProvider = new JsonFileStorageProvider(opts);
+
+builder.Configuration.AddSecureConfig(storageProvider);
+
+builder.Services.Configure<ApiOptions>(
+  builder.Configuration.GetSection(nameof(ApiOptions))
+);
+
+builder.Services.AddSecureConfig()
+  .UseJsonFileStorage(opt => opt.FileName = configFileName);
+
+var app = builder.Build();
+
+var options = app.Services.GetRequiredService<IOptions<ApiOptions>>();
+var secureConfig = app.Services.GetRequiredService<ISecureConfig>();
+
+Console.WriteLine(options.Value);
+
+await secureConfig.SetAsync(
+  nameof(ApiOptions),
+  new ApiOptions { ApiKey = "apiKey" }
+);
+