public String addSection(final int index, final Section section) {
        final String tag = generateSectionTag();

        addSection(index, tag, section);

        return tag;
    }
Add a section at the specific position to this adapter with a random tag.

@param index   the index at which the section should be inserted
@param section section should be added
@return generated tag
library/src/main/java/io/github/luizgrp/sectionedrecyclerviewadapter/SectionedRecyclerViewAdapter.java