runtime(hcl,terraform): Add runtime files for HCL and Terraform

closes: #15618

Signed-off-by: Gregory Anders <greg@gpanders.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/syntax/terraform.vim

@@ -0,0 +1,17 @@
+" Vim syntax file
+" Language:    Terraform
+" Maintainer:  Gregory Anders
+" Upstream:    https://github.com/hashivim/vim-terraform
+" Last Change: 2024-09-03
+
+if exists('b:current_syntax')
+  finish
+endif
+
+runtime! syntax/hcl.vim
+
+syn keyword terraType string bool number object tuple list map set any
+
+hi def link terraType Type
+
+let b:current_syntax = 'terraform'