Re-add Terraform bash completion.
Re-add Terraform bash completion.

This is because when using tfenv, rather than installing Terraform though
Homebrew, there won't be Bash completion installed.

Signed-off-by: Krzysztof Wilczynski <5f1c0be89013f8fde969a8dcb2fa1d522e94ee00@linux.com>

kwilczynski/dot-files,kwilczynski/dot-files,kwilczynski/dot-files