Removed NioTSO client and server

- NioTSO client isn't needed because we're using RayLib
- Added FreeSO's API server to handle most backend operations

server/FSO.Server.Database/DA/Hosts/DbHost.cs

@@ -0,0 +1,28 @@
+using System;
+
+namespace FSO.Server.Database.DA.Hosts
+{
+    public class DbHost
+    {
+        public string call_sign { get; set; }
+        public DbHostRole role { get; set; }
+        public DbHostStatus status { get; set; }
+        public string internal_host { get; set; }
+        public string public_host { get; set; }
+        public DateTime time_boot { get; set; }
+        public int? shard_id { get; set; }
+    }
+
+    public enum DbHostRole
+    {
+        city,
+        lot,
+        task
+    }
+
+    public enum DbHostStatus
+    {
+        up,
+        down
+    }
+}

server/FSO.Server.Database/DA/Hosts/IHosts.cs

@@ -0,0 +1,12 @@
+using System.Collections.Generic;
+
+namespace FSO.Server.Database.DA.Hosts
+{
+    public interface IHosts
+    {
+        IEnumerable<DbHost> All();
+        DbHost Get(string call_sign);
+        void CreateHost(DbHost host);
+        void SetStatus(string call_sign, DbHostStatus status);
+    }
+}

server/FSO.Server.Database/DA/Hosts/SqlHosts.cs

@@ -0,0 +1,49 @@
+using Dapper;
+using System;
+using System.Collections.Generic;
+
+namespace FSO.Server.Database.DA.Hosts
+{
+    public class SqlHosts : AbstractSqlDA, IHosts
+    {
+        public SqlHosts(ISqlContext context) : base(context)
+        {
+        }
+
+        public IEnumerable<DbHost> All()
+        {
+            return Context.Connection.Query<DbHost>("SELECT * FROM fso_hosts");
+        }
+
+        public void CreateHost(DbHost host)
+        {
+            Context.Connection.Execute(
+                "REPLACE INTO fso_hosts (call_sign, role, status, internal_host, public_host, time_boot, shard_id) " +
+                "VALUES (@call_sign, @role, @status, @internal_host, @public_host, @time_boot, @shard_id)",
+                new
+                {
+                    call_sign = host.call_sign,
+                    role = host.role.ToString(),
+                    status = host.status.ToString(),
+                    internal_host = host.internal_host,
+                    public_host = host.public_host,
+                    time_boot = host.time_boot,
+                    shard_id = host.shard_id
+                }
+            );
+        }
+
+        public DbHost Get(string call_sign)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void SetStatus(string call_sign, DbHostStatus status)
+        {
+            Context.Connection.Execute("UPDATE fso_hosts SET status = @status WHERE call_sign = @call_sign", new {
+                call_sign = call_sign,
+                status = status.ToString()
+            });
+        }
+    }
+}