Feature : Implement Save/Share Functionality

[Ritikverma323]

Description:
Allow users to save detected images or share via social apps.

Libraries:

react-native-share

expo-file-system

Implementation:

Capture the image with bounding boxes (react-native-view-shot)

Save or share the captured result

[prateekverma145]

i would like to work on it , please assign it me