Add 5 missing skills to repo for sync coverage

github-repo-search, gooddays-calendar, luxtts,
openclaw-tavily-search, skill-vetter — previously only
in workspace, now tracked in Gitea for full sync.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

skills/skill-vetter/_meta.json

@@ -0,0 +1,6 @@
+{
+  "ownerId": "kn71j6xbmpwfvx4c6y1ez8cd718081mg",
+  "slug": "skill-vetter",
+  "version": "1.0.0",
+  "publishedAt": 1769863429632
+}