feat: non-uniform border radii

[drookyn]

I'm submitting a ...

• [x] feature request

Description

Introduces the ability to set non-uniform border radii for both Android & iOS images. This feature allows developers to specify different border radius values for different corner of a image, enhancing design flexibility.

Fixes #6

Type of change

• [x] New feature (non-breaking change which adds functionality)
• [x] This change requires a documentation update

Tested on

• iPhone 15 Pro Max (simulator), iOS 17.4
• Google Pixel 6 (device), Android 14

[gtokman]

9