firejail/disable-common: Make ~/.gem read-only
firejail/disable-common: Make ~/.gem read-only

Followup on #2

hashbang/shell-etc,hashbang/shell-etc,hashbang/shell-etc,hashbang/shell-etc,hashbang/shell-etc,hashbang/shell-etc,hashbang/shell-etc,hashbang/shell-etc