feat: add a CORS configuration

Endpoint/Program.cs

@@ -30,9 +30,17 @@ public class Program
         builder.Configuration.AddJsonFile(Settings.FilePath, optional: true, reloadOnChange: true);
 
         // Add services to the container.
-
         builder.Services.AddControllers();
-        // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
+
+        builder.Services.AddCors(options =>
+        {
+            options.AddPolicy("AllowAll", policy =>
+            {
+                policy.AllowAnyHeader();
+                policy.AllowAnyMethod();
+                policy.AllowAnyOrigin();
+            });
+        });
         builder.Services.AddEndpointsApiExplorer();
         builder.Services.AddSwaggerGen();