Update to NetCore 3.1, added Kestrel for REST api and few basic endpoints.

ASS.Server/Web/Controllers/ByondController.cs

@@ -0,0 +1,31 @@
+using ASS.Server.Services;
+using Microsoft.AspNetCore.Mvc;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ASS.Server.Web.Controllers
+{
+
+    [ApiController]
+    [Route("[controller]")]
+    public class ByondController : ControllerBase
+    {
+
+        ByondService byondService;
+
+        public ByondController(ByondService bs)
+        {
+            byondService = bs;
+        }
+
+        [HttpPost("install/{major}.{minor}")]
+        public async Task<int> InstallVersionAsync(int major, int minor)
+        {
+            await byondService.SwitchToVersion(new API.ByondVersion() { Major = major, Minor = minor });
+            return 0;
+        }
+
+    }
+}

ASS.Server/Web/Controllers/StatusController.cs

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+using ASS.Server.Services;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.DependencyInjection;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace ASS.Server.Web.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class StatusController : ControllerBase
+    {
+
+        IServiceProvider serviceProvider;
+
+        public StatusController(IServiceProvider sp)
+        {
+            serviceProvider = sp;
+        }
+
+        [Route("")]
+        [Route("int")]
+        [HttpGet]
+        public IEnumerable<int> GetInt()
+        {
+            var rng = new Random();
+            var grpc = serviceProvider.GetRequiredService<GrpcService>();
+            if (!grpc.IsInitilized)
+                grpc.Initialize();
+            return new int[] { rng.Next() };
+        }
+    }
+}

ASS.Server/Web/Startup.cs

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+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace ASS.Server.Web
+{
+    class Startup
+    {
+
+        public Startup(IConfiguration configuration)
+        {
+            Configuration = configuration;
+        }
+
+        public IConfiguration Configuration { get; }
+
+        // This method gets called by the runtime. Use this method to add services to the container.
+        public void ConfigureServices(IServiceCollection services)
+        {
+            services.AddControllers();
+        }
+
+        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+        {
+            if (env.IsDevelopment())
+            {
+                app.UseDeveloperExceptionPage();
+            }
+
+            app.UseHttpsRedirection();
+
+            app.UseRouting();
+
+            //app.UseAuthorization();
+
+            app.UseEndpoints(endpoints =>
+            {
+                endpoints.MapControllers();
+            });
+        }
+    }
+}