jekyll theme customizations (endless scroll, next post autoloading, material snackbar)

live version: [login to view URL] theme: nubia jekyll ([login to view URL]) original theme files, without my mods (ie. service worker) project scope 1. configurable (on/off) endless scroll replacing nubia theme "load more" button 2. selected post view — next post auto loading; selecting from the similar posts. as a user, I would like similar post to load after I scroll down to the bottom of a page. requirements: a) similar postst are those with at least n-tags in common, b) n-tags is configurable, c) max number of posts to be loaded one-after-another is configurable, d) url changes accordingly when scrolling up or down 3. material snackbar working correctly ([login to view URL]) — pinned to the bottom of the browser (I ask users if they want to load new posts, if available). Payment: end of the month, in which accepted project sub-scope (1-3 above)