Add pagination to the API

[Snailedlt]

Currently when using the API, we are getting all the handlers and hub information from the database.

This is not scaleable, and we will soon start to notice lag on the website.

To fix this we need to implement either pagination or caching.

[Snailedlt]

splitscreenme-hub/imports/api/Handlers/server/publications.js

Line 38 in 7f02a9a

limit: Math.min(limit, 500),

splitscreenme-hub/imports/api/Handlers/server/publications.js

Line 180 in 7f02a9a

limit: 500,