goku: add page (#10741)

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

pages/osx/goku.md

@@ -0,0 +1,28 @@
+# goku
+
+> Manage Karabiner configuration.
+> More information: <https://github.com/yqrashawn/GokuRakuJoudo>.
+
+- Generate `karabiner.json` using the default configuration:
+
+`goku`
+
+- Generate `karabiner.json` using the specific `config.edn` file:
+
+`goku --config {{path/to/config.edn}}`
+
+- Dry run the new configuration into `stdout` instead of updating `karabiner.json`:
+
+`goku --dry-run`
+
+- Dry run the whole configuration into `stdout` instead of updating `karabiner.json`:
+
+`goku --dry-run-all`
+
+- Display help:
+
+`goku --help`
+
+- Display version:
+
+`goku --version`