Vendor brand icons for GitHub, Slack, Microsoft Teams, Discord, Linear, and
Jira under apps/fabro-web/public/images/integrations/ and render each one in
the same light chip used on the providers page. Refactors the existing rows
into IntegrationRow so name + help sit alongside the logo.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
