chore: Exports ImageRenderMethodForWeb

[thKali]

Allow external configuration

:sparkles: What kind of change does this PR introduce? (Bug fix, feature, docs update...)

DX improvement

:arrow_heading_down: What is the current behavior?

when attempting to configure the imageRenderMethodForWeb property of CachedNetworkImageProvider, the required ImageRenderMethodForWeb enum is inaccessible.

:new: What is the new behavior (if this is a feature change)?

ImageRenderMethodForWeb enum is now publicly exported, allowing consumers to configure the imageRenderMethodForWeb property.

:boom: Does this PR introduce a breaking change?

no

:bug: Recommendations for testing

n/a

:memo: Links to relevant issues/docs

#1003

:thinking: Checklist before submitting

• [x] All projects build
• [x] Follows style guide lines (code style guide)
• [ ] Relevant documentation was updated
• [x] Rebased onto current develop