update qmk notes with basic setup

hardware/graduated/qmk/qmk.md

@@ -0,0 +1,15 @@
+# QMK Notes
+
+## install
+
+<https://docs.qmk.fm/newbs_getting_started#set-up-your-environment>
+
+```bash
+qmk setup
+
+qmk compile -kb <keyboard> -km default
+```
+
+## udev rules
+
+Make sure the udev rules are copied to your host machine if you're in a distrobox or toolbox.