gitignore: Update (avoid _build).
gitignore: Update (avoid _build).

superboy0712/realtime,vlstill/ttk4145,vlstill/ttk4145,superboy0712/realtime,vlstill/ttk4145,superboy0712/realtime,superboy0712/realtime,superboy0712/realtime,vlstill/ttk4145,vlstill/ttk4145,superboy0712/realtime,vlstill/ttk4145