dummy questions.

[pegasoseiya]

i have the problem when people goes to the wood need a) to have the last data from the db apex system in the tablets so they go and lost the conection but have the last names and info, b) the takes notes or modify this data, come back to the office and this info will syck ?, to make the pwa got a big troubles i am new on this platform and far away to have installed ords, but with tomcat i find many issues like glash fish etc i advance but for example where do i get c) manifest.json and sw.js where what produces these twoo files??, by the moment this issues please :( i am sick and i need to work even when i write i feel pain .

He i got another link where of course i get the question manifest y sw now maybe some one can confirm me the a) and b) :D