Add dev tooling to use precious

git/hooks/pre-commit.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+status=0
+
+PRECIOUS=$(which precious)
+if [[ -z $PRECIOUS ]]; then
+    PRECIOUS=./bin/precious
+fi
+
+"$PRECIOUS" lint -s
+if (( $? != 0 )); then
+    status+=1
+fi
+
+exit $status