Configures insecure HTTP client for proxy

Adds named HTTP client configuration with insecure settings to
communicate with the tesla_command_proxy, which uses a self-signed
certificate.

Changes the base address to use HTTPS.

Source/ProofOfConcept/Program.cs

@@ -26,11 +26,16 @@ builder.Services.AddOpenApi();
 builder.Services.AddMediator();
 builder.Services.AddMemoryCache();
 builder.Services.AddHybridCache();
-builder.Services.AddHttpClient();
 builder.Services.AddRazorPages();
 builder.Services.AddHealthChecks()
     .AddAsyncCheck("", cancellationToken => Task.FromResult(HealthCheckResult.Healthy()), ["ready"]); //TODO: Check tag
 builder.Services.AddHttpContextAccessor();
+builder.Services.AddHttpClient().AddHttpClient("InsecureClient")
+    .ConfigurePrimaryHttpMessageHandler(() => new HttpClientHandler
+    {
+        ServerCertificateCustomValidationCallback =
+            HttpClientHandler.DangerousAcceptAnyServerCertificateValidator
+    });
 
 builder.Services
     .AddAuthentication(o =>
@@ -240,8 +245,8 @@ if (app.Environment.IsDevelopment())
         if (String.IsNullOrEmpty(access_token))
             return Results.LocalRedirect("/Authorize");
         
-        HttpClient client = httpClientFactory.CreateClient();
+        HttpClient client = httpClientFactory.CreateClient("InsecureClient");
-        client.BaseAddress = new Uri("tesla_command_proxy");
+        client.BaseAddress = new Uri("https://tesla_command_proxy");
         client.DefaultRequestHeaders.Add("Authorization", $"Bearer {access_token}");
         client.DefaultRequestHeaders.Add("Content-Type", "application/json");