update installation instructions
update installation instructions

makinacorpus/enketo,enketo/enketo-legacy,makinacorpus/enketo,HydroLogic/enketo,enketo/enketo-legacy,SEL-Columbia/enketo,makinacorpus/enketo,makinacorpus/enketo,makinacorpus/enketo,makinacorpus/enketo,HydroLogic/enketo,SEL-Columbia/enketo,HydroLogic/enketo,enketo/enketo-legacy