- NadekoBot class renamed to Bot

- Implemented grpc based coordinator. Supports restarting, killing single or all shards, as well as getting current shard statuses. (Adaptation of the one used by the public bot)
- Coord is setup via coord.yml file
- Methods from SelfService which deal with shard/bot restart etc have been moved to ICoordinator (with GrpcRemoteCoordinator being the default implementation atm)
- Vastly simplified NadekoBot/Program.cs

src/NadekoBot.Coordinator/CoordStartup.cs

@@ -0,0 +1,49 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+
+namespace NadekoBot.Coordinator
+{
+    public class CoordStartup
+    {
+        public IConfiguration Configuration { get; }
+        
+        public CoordStartup(IConfiguration config)
+        {
+            Configuration = config;
+        }
+
+        public void ConfigureServices(IServiceCollection services)
+        {
+            services.AddGrpc();
+            services.AddSingleton<CoordinatorRunner>();
+            services.AddSingleton<IHostedService, CoordinatorRunner>(
+                serviceProvider => serviceProvider.GetService<CoordinatorRunner>());
+        }
+        
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+        {
+            if (env.IsDevelopment())
+            {
+                app.UseDeveloperExceptionPage();
+            }
+
+            app.UseRouting();
+
+            app.UseEndpoints(endpoints =>
+            {
+                endpoints.MapGrpcService<CoordinatorService>();
+
+                endpoints.MapGet("/",
+                    async context =>
+                    {
+                        await context.Response.WriteAsync(
+                            "Communication with gRPC endpoints must be made through a gRPC client. To learn how to create a client, visit: https://go.microsoft.com/fwlink/?linkid=2086909");
+                    });
+            });
+        }
+    }
+}