Add concord (#338)

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* Link to your project (GitHub/crates.io):
https://github.com/chojs23/concord

* Description (optional):  A feature-rich TUI client for Discord

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Author: chojs23

README.md

@@ -397,6 +397,7 @@ Aside from those listed here, many other apps and libraries can be easily be fou
 ### 🤡 Social Media
 
 - [Chat-gRPC](https://github.com/Atheer2104/chat-grpc) - A Real-time Chat Microservice built in Rust using gRPC, including a TUI client.
+- [concord](https://github.com/chojs23/concord) - A TUI client for Discord.
 - [hnr](https://github.com/prasanthj/hnr) - A terminal UI for Hacker News — browse feeds, read threaded comments, vote, reply, search, and bookmark.
 - [iamb](https://github.com/ulyssa/iamb) - A matrix chat client with vim keybindings.
 - [lobtui](https://github.com/pythops/lobtui) - TUI for lobste.rs website.