macos: Set key repeat settings on install

darwin.conf.yaml

@@ -3,6 +3,10 @@
       stdout: true
       stderr: true
       quiet: false
+    - command: macos/key-repeat
+      stdout: true
+      stderr: true
+      quiet: false
 
 - link:
     ./git/config-os: git/config-darwin

macos/key-repeat

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+set -exuo pipefail
+
+defaults write -g InitialKeyRepeat -float 13.333 # ~200 ms, GUI minimum is 15 = 225 ms
+defaults write -g KeyRepeat        -int 1        # 15 ms/char, GUI minimum is 2 = 30 ms/ch