make sure everything actually works

entrypoint.sh

@@ -1,7 +1,10 @@
-#!/bin/sh
+#!/bin/sh -l
 
 hugo
 find ./public -type f \
     -regex ".*\.\(css\|html\|js\|json\|svg\|xml\)$" \
     -exec brotli --best -f {} \+ \
     -exec gzip --best -k -f {} \+
+
+echo "success=success" >> $GITHUB_OUTPUT
+return 0