Implement a more robust IPC system between the launcher and client (#4159)

* Implement a more robust IPC system between the launcher and client

* Clippy fix and cargo fmt

* Switch to cached JsonReader with LENIENT parsing to avoid race conditions

* Make RPC send messages in lines

* Try to bind to either IPv4 or IPv6 and communicate version

* Move message handling into a separate function to avoid too much code in a macro

packages/app-lib/src/util/mod.rs

@@ -2,6 +2,8 @@
 pub mod fetch;
 pub mod io;
 pub mod jre;
+pub mod network;
 pub mod platform;
 pub mod protocol_version;
+pub mod rpc;
 pub mod server_ping;