schmid: add /opt/BaNG to PATH

profile/schmid/envrcd.d/10-envvars

 #!/bin/bash
 
+# --- path ---
+export PATH=~/bin:${ENVRCD_PROFILE_PATH}/bin:${PATH}:/opt/BaNG
+
 # --- vim ---
 export EDITOR=vim
 # source vimrc from cutom location during init