Add @probo/skills multi-agent compliance package

Ship compliance skills and agent plugin wiring for Claude Code,
Codex, OpenCode, and Cursor via Probo MCP (OAuth 2.0). Includes
access-review and missing-signatures workflows, repo-root Git
marketplaces, validation, and npm release CI.

Signed-off-by: Cursor Agent <cursoragent@cursor.com>

Co-authored-by: Bryan FRIMIN <bryan@frimin.fr>

eslint.config.mjs

@@ -17,6 +17,7 @@ export default defineConfig([
     "pkg/**",
     "packages/coredata/**",
     "packages/cookie-banner/**",
+    "packages/skills/**",
     "packages/emails/**",
     "packages/eslint-relay-plugin-types/**",
     "packages/helpers/**",