Add script to update auto-completed commands

Also, run it and commit the plugin updates.

Author: mcornick

plugin/vaultproject.vim

@@ -22,8 +22,11 @@ function! s:commands(A, L, P)
   \ "auth",
   \ "auth-disable",
   \ "auth-enable",
+  \ "capabilities",
+  \ "generate-root",
   \ "init",
   \ "key-status",
+  \ "list",
   \ "mount",
   \ "mount-tune",
   \ "mounts",
@@ -35,7 +38,9 @@ function! s:commands(A, L, P)
   \ "rotate",
   \ "seal",
   \ "ssh",
+  \ "step-down",
   \ "token-create",
+  \ "token-lookup",
   \ "token-renew",
   \ "token-revoke",
   \ "unmount",