fix .ssh perms

Author: aptalca

root/etc/s6-overlay/s6-rc.d/init-code-server/run

@@ -25,3 +25,7 @@ fi
 # fix permissions (ignore contents of /config/workspace)
 find /config -path /config/workspace -prune -o -exec chown abc:abc {} +
 chown abc:abc /config/workspace
+chmod 700 /config/.ssh
+if [ -n "$(ls -A /config/.ssh)" ]; then
+    chmod 600 /config/.ssh/*
+fi