chore: point repository at git.swaits.com

Cargo.toml

@@ -9,7 +9,7 @@ build = "build.rs"
 authors = ["Stephen Waits <steve@waits.net>"]
 license = "MIT"
 description = "Transparent LoRa radio over USB — plug in a board, talk LoRa from your host"
-repository = "https://github.com/donglora/firmware"
+repository = "https://git.swaits.com/donglora/firmware"
 homepage = "https://github.com/donglora/firmware"
 keywords = ["lora", "radio", "embedded", "usb", "firmware"]
 categories = ["embedded", "hardware-support", "no-std"]