OpenIcon gallery: the HQ style for all 370 icons (#202)

openicon.json with the hq block, 259 full-colour UI icons as WebP 64/128
and 111 brand SVGs in their owners' colours. The gallery's Simple/HQ
toggle appears on its own now that icons carry hq.

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

apps/logicsrc-web/public/openicon/set/hq/svg/rocketchat.svg

@@ -0,0 +1 @@
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