feat: initial signature look up support

gaseous-server/Program.cs

@@ -0,0 +1,38 @@
+using System.Text.Json.Serialization;
+using gaseous_tools;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+
+builder.Services.AddControllers().AddJsonOptions(x =>
+{
+    // serialize enums as strings in api responses (e.g. Role)
+    x.JsonSerializerOptions.Converters.Add(new JsonStringEnumConverter());
+});
+// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+app.UseHttpsRedirection();
+
+app.UseAuthorization();
+
+app.MapControllers();
+
+// set up db
+Database db = new gaseous_tools.Database(Database.databaseType.MySql, Config.DatabaseConfiguration.ConnectionString);
+db.InitDB();
+
+// start the app
+app.Run();
+