Update README with Discord link

Author: Kas-tle

README.md

@@ -1,6 +1,6 @@
 [![Maven Central Version](https://img.shields.io/maven-central/v/dev.kastle.webrtc/webrtc-java?label=Maven%20Central&color=%233fb950)](https://repo1.maven.org/maven2/dev/kastle/webrtc/webrtc-java/)
 
-This is a fork of devopvoid's [webrtc-java](https://github.com/devopvoid/webrtc-java) library, a Java wrapper for the [WebRTC Native API](https://webrtc.github.io/webrtc-org/native-code/native-apis).
+This is a fork of devopvoid's [webrtc-java](https://github.com/devopvoid/webrtc-java) library, a Java wrapper for the [WebRTC Native API](https://webrtc.github.io/webrtc-org/native-code/native-apis). You can join the [Discord](https://discord.gg/5z4GuSnqmQ) for help with this fork.
 
 ## Differences from the Original Project
 
@@ -78,4 +78,4 @@ Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 [http://www.apache.org/licenses/LICENSE-2.0](http://www.apache.org/licenses/LICENSE-2.0)
 
 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
-```
+```