chore(gitignore): ignore /work and /print (personal artifacts)

Personal directories used by the /note slash command (work/) and PDF
print exports (print/) - these are local research artifacts, not
shipping content. Lives on daniel/personal to keep upstream/main and
PR branches free of personal noise.

.gitignore

@@ -28,3 +28,7 @@ htmlcov/
 
 # Internal planning docs (ce:plan output) — keep local, don't publish
 docs/plans/
+
+/work
+/print
+