fix(rootfs): incorrect dir permissions

Author: angristan

setup-alpine.sh

@@ -27,3 +27,7 @@ rc-update add agent boot
 
 for d in bin etc lib root sbin usr; do tar c "/$d" | tar x -C /my-rootfs; done
 for dir in dev proc run sys var tmp; do mkdir /my-rootfs/${dir}; done
+
+chmod 1777 /my-rootfs/tmp
+mkdir -p /my-rootfs/home/codebench/
+chown 1000:1000 /my-rootfs/home/codebench/