Include docs of plugins

doc/terraform.txt

@@ -0,0 +1,18 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'terraform') == -1
+
+*terraform.txt*  basic vim/terraform integration
+
+Author:  HashiVim <https://github.com/hashivim>
+License: ISC license
+Repo:    https://github.com/hashivim/vim-terraform
+
+COMMANDS                                        *terraform*
+
+This command is only available if terraform is in your PATH.
+
+                                                *terraform-:terraform*
+:Terraform [args]         Invoke an arbitrary terraform command.
+
+ vim:tw=78:et:ft=help:norl:
+
+endif