upd readme

README.md

@@ -1,4 +1,10 @@
-# Xair-CLI
+# xair-cli
+
+### Installation
+
+```console
+go install github.com/onyx-and-iris/xair-cli@latest
+```
 
 ### Use
 
@@ -14,6 +20,7 @@ Usage:
 Available Commands:
   bus         Commands to control individual buses
   completion  Generate the autocompletion script for the specified shell
+  headamp     Commands to control headamp gain and phantom power
   help        Help about any command
   main        Commands to control the main output
   strip       Commands to control individual strips
@@ -24,6 +31,7 @@ Flags:
   -k, --kind string       Kind of mixer (xair, x32) (default "xair")
   -l, --loglevel string   Log level (debug, info, warn, error, fatal, panic) (default "warn")
   -p, --port int          Port number of the X Air mixer (default 10024)
+  -v, --version           version for xair-cli
 
 Use "xair-cli [command] --help" for more information about a command.
 ```