feat(sidebar-widget): initial SHINE design changes #2430

Job	Run time
Lint / Lint	48s
Unit Tests (stacks-utils) / Unit Tests (stacks-utils)	32s
Unit Tests (stacks-svelte) / Unit Tests (stacks-svelte)	2m 31s
Visual Regression Tests / Visual Regression Tests	3m 59s
Unit Tests / Unit Tests	1m 53s
Less Tests / Less Tests	36s
A11y Tests / A11y Tests	2m 22s
Build / Build	1m 2s
Release (latest or beta)	1s
Update main site stackoverflow.design	1s
	13m 45s

Provide feedback