Add CORS support to Dev Proxy web API (#1496)

* Initial plan

* Add CORS support to Dev Proxy web API

Co-authored-by: waldekmastykarz <11164679+waldekmastykarz@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: waldekmastykarz <11164679+waldekmastykarz@users.noreply.github.com>

Author: Copilot

DevProxy/Extensions/IServiceCollectionExtensions.cs

@@ -21,6 +21,16 @@ public static IServiceCollection ConfigureDevProxyServices(
         DevProxyConfigOptions options)
     {
         _ = services.AddControllers();
+        _ = services.AddCors(options =>
+        {
+            options.AddDefaultPolicy(builder =>
+            {
+                _ = builder
+                    .AllowAnyOrigin()
+                    .AllowAnyMethod()
+                    .AllowAnyHeader();
+            });
+        });
         _ = services
             .AddApplicationServices(configuration, options)
             .AddHostedService<ProxyEngine>()

DevProxy/Program.cs

@@ -32,6 +32,7 @@ static WebApplication BuildApplication(DevProxyConfigOptions options)
 
     var app = builder.Build();
 
+    _ = app.UseCors();
     _ = app.UseSwagger();
     _ = app.UseSwaggerUI();
     _ = app.MapControllers();