build(update.sh): Make adding subcrates easier

update.sh

@@ -1,13 +1,19 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
+update() {
+    cd "$1" || (echo "No '$1' directory" && exit 1)
 
     cargo update && cargo upgrade
 
-cd ./language_macros || (echo "No language_macros directory" && exit 1)
+    [ "$1" = "." ] || cd ..
+}
+
+update .
+update ./language_macros
+update ./keymaps
+
 
-cargo update && cargo upgrade
 
-cd ..
 git add Cargo.lock Cargo.toml flake.lock ./language_macros/Cargo.toml
 
 # vim: ft=sh