Add instructions for compiling and flashing keymaps to README

README.md

@@ -16,6 +16,24 @@ manageable and easy to maintain.
 
 ## How to use
 
+### Prepare
+
 1. Pull [`qmk/qmk_firmware`](https://github.com/qmk/qmk_firmware)
 2. [Set up QMK Env](https://docs.qmk.fm/newbs_getting_started)
 3. Clone this repo into `<qmk_firmware root>/keyboards/crkbd/keymaps/`
+
+
+### Compile keymaps
+
+```console
+$ cd <qmk_firmware root>
+$ qmk compile -kb crkbd -km inkch
+```
+
+### Flash keymaps to `crkbd`
+
+```console
+$ cd <qmk_firmware root>
+$ qmk flash -kb crkbd -km inkch -bl avrdude-split-left
+$ qmk flash -kb crkbd -km inkch -bl avrdude-split-right
+```