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.Common/JsonWebToken/JWTokenFactory.cs

@@ -0,0 +1,48 @@
+using FSO.Server.Common;
+using Newtonsoft.Json;
+using System.Collections.Generic;
+
+namespace FSO.Server.Servers.Api.JsonWebToken
+{
+    public class JWTInstance
+    {
+        public string Token;
+        public int ExpiresIn;
+    }
+
+    public class JWTFactory
+    {
+        private JWTConfiguration Config;
+
+        public JWTFactory(JWTConfiguration config)
+        {
+            this.Config = config;
+        }
+
+        public JWTUser DecodeToken(string token)
+        {
+            var payload = JWT.JsonWebToken.Decode(token, Config.Key, true);
+            Dictionary<string, string> payloadParsed = JsonConvert.DeserializeObject<Dictionary<string, string>>(payload);
+            return Newtonsoft.Json.JsonConvert.DeserializeObject<JWTUser>(payloadParsed["data"]);
+        }
+
+        public JWTInstance CreateToken(JWTUser data)
+        {
+            var tokenData = Newtonsoft.Json.JsonConvert.SerializeObject(data);
+            return CreateToken(tokenData, Config.TokenDuration);
+        }
+
+        private JWTInstance CreateToken(string data, int expiresIn)
+        {
+            var expires = Epoch.Now + expiresIn;
+            var payload = new Dictionary<string, object>()
+            {
+                { "exp", expires },
+                { "data", data }
+            };
+
+            var token = JWT.JsonWebToken.Encode(payload, Config.Key, JWT.JwtHashAlgorithm.HS384);
+            return new JWTInstance { Token = token, ExpiresIn = expiresIn };
+        }
+    }
+}