Added support for sending data that is decoupled from Netick main packets, directly using the transport.

- added `SendData` to `NetworkConnection`.
- added `OnDataReceived` to `Sandbox.Events`.
- added `SendUserData` to `TransportConnection`.

README.md

@@ -22,7 +22,7 @@ Netick is a server-authoritative C#/.NET networking solution for Unity, and, in
 
 ### Prerequisites
 
-Unity Editor version 2021 or later.
+Unity Editor 2021 or later.
 
 ### Steps
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "com.karrar.netick",
-  "version": "0.11.47",
+  "version": "0.11.50",
   "displayName": "Netick",
   "description": "A networking library for unity",
   "unity": "2021.3",