Add arch-os triplets

Author: thegecko

README.md

@@ -92,6 +92,19 @@ https://wicg.github.io/webusb/
 
 ### Implementation Status
 
+#### Architectures and Operating Systems
+
+- i686-pc-windows-msvc
+- x86_64-apple-darwin
+- x86_64-pc-windows-msvc
+- x86_64-unknown-linux-gnu
+- x86_64-unknown-linux-musl
+- aarch64-apple-darwin
+- aarch64-pc-windows-msvc
+- aarch64-unknown-linux-gnu
+- aarch64-unknown-linux-musl
+- armv7-unknown-linux-gnueabihf
+
 #### USB
 
 - [x] getDevices()