chore: add changeset for v3.54.0

Author: hannesrudolph

.changeset/v3.54.0.md

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+---
+"roo-cline": minor
+---
+
+- Remove: Roo Code Cloud and eval infrastructure from the extension, CLI, workflows, and package surfaces so the release is focused on the standalone extension (PR #12328 by @mrubens)
+- Remove: All telemetry collection and analytics plumbing across the extension, website, shared types, provider flows, and related tests (PR #12324 by @mrubens)
+- Remove: MDM and organization membership enforcement, including host wiring, webview state, user-facing messages, and locale strings (PR #12323 by @mrubens)
+- Remove: The MCP marketplace, marketplace services, webview marketplace UI, package contributions, and related localized copy (PR #12326 by @mrubens)
+- Update: Extension-facing support, diagnostics, and announcement content for the final Roo Code release, including GitHub help paths and links to Roomote, ZooCode, and Cline (PR #12341 by @brunobergher)
+- Add: A cleaned docs app with GitHub Pages deployment for `roocode.github.io` (PR #12344 by @brunobergher)
+- Update: The website to focus almost entirely on the Roo Code extension and remove cloud, team, enterprise, provider, pricing, Slack, and Linear product pages (PR #12180 by @brunobergher)
+- Remove: Contributor, community, social channel, and tutorial references from README files, docs, website copy, issue templates, and workflows (PR #12347 by @brunobergher)