Add homepage to Cargo.toml

Author: brocaar

Cargo.toml

@@ -1,7 +1,8 @@
 [package]
   name = "chirpstack-packet-multiplexer"
   description = "ChirpStack Packet Multiplexer"
-  repository = "https://github.com/brocaar/chirpstack-package-multiplexer/"
+  repository = "https://github.com/chirpstack/chirpstack-package-multiplexer/"
+  homepage = "https://github.com/chirpstack/chirpstack-package-multiplexer/"
   license = "MIT"
   version = "4.0.0-test.1"
   authors = ["Orne Brocaar <[email protected]>"]