Pagination: Option to load more posts (either automatically or by clicking a button)

From @zakir786lrk on Discourse: discourse.tangible.one/t/need-these-two-types-of-pagination-features-1-load-more-posts-by-clicking-button-2-auto-load-more-posts/655

I would love if there would be these two pagination types:
1. Load more posts by clicking “load more” button.
2. Auto load more posts when user reaches at the end of the archive.