Add prop `letterListContainerStyle`

Add support for overriding the style of the flat list container.

Add prop `indexContainerStyle`

Add support for overriding the style of the list index container.

Add support for styling or rendering custom letter index

• Add support for rendering custom letter indexes using renderCustomIndexLetter prop
• Add support for styling the letter index using indexLetterStyle prop
• Add support for styling the letter index container using indexLetterContainerStyle prop
• Remove indexLetterColor prop - you can now change the colour of the letter index using indexLetterStyle

Add prop uncategorizedAtTop

Add uncategorizedAtTop prop. By default, its value is false. If true, the uncategorised items (the # section) is sorted to the top of the list.

Fix pass props to SectionList

v2.0.1

chore: bump version

Refactor project structure

v2.0.0

chore: bump version