feat: propose adr to use webp

[minikin]

Description

Architecture decision record to use WebP format

Related Issue(s)

None

Description of Changes

As we develop our new cross-platform application (supporting Web, iOS, Android, macOS, Windows, and Linux),
we face a decision regarding the choice of image format. The selection of an image format is critical
for optimizing performance, load times, and the overall user experience across diverse platforms.

Breaking Changes

None

Screenshots

Not applicable

Please confirm the following checks

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream module

[stevenj]

LGTM