scripts-to-rule-them-all (#10)

Reviewed-on: #10
Co-authored-by: sneak <sneak@sneak.berlin>
Co-committed-by: sneak <sneak@sneak.berlin>

script/lint

@@ -0,0 +1,12 @@
+#!/bin/sh
+# script/lint: run the linter (prettier in check mode).
+set -eu
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    yarn prettier --check .
+}
+
+main "$@"