Define CDPATH env variable to allow easy cd'ing into project directories

Add /drupal/vendor/bin to the PATH env variable

start.sh

@@ -19,6 +19,8 @@ function readEnv {
     # shellcheck disable=SC2002
     export $(cat .env | xargs) > /dev/null 2>&1
   fi
+  export CDPATH=/drupal/web/modules/contrib:/drupal/web/modules/custom:/drupal/web/profiles/contrib:/drupal/web/profiles/custom:/drupal/web/themes/contrib:/drupal/web/themes/custom
+  export PATH=$PATH:/drupal/vendor/bin
 }
 
 function truncateCurrentDirectory {