Fix some more missing #pragma onces (#20241)

keyboards/doio/kb16/lib/bongocat/bongocat.h

@@ -14,4 +14,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#pragma once
+
 void render_bongocat(void);

keyboards/doio/kb16/lib/layer_status/layer_status.h

@@ -15,4 +15,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#pragma once
+
 void render_layer_status(void);

keyboards/doio/kb16/lib/logo.h

@@ -15,4 +15,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#pragma once
+
 void render_logo(void);