feat: avatar with fallback icons component #147

Job	Run time
Prepare CI	1s
Lint App / biomejs	22s
Tests / Run Tests	3m 39s
Build / Build Windows (electron-builder)	3m 45s
Build / Build Linux (electron-builder)	4m 5s
Build / Build macOS (electron-builder)	2m 56s
	14m 48s

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