Added oh-my-zsh in all its glory

.oh-my-zsh/plugins/terraform/terraform.plugin.zsh

@@ -0,0 +1,7 @@
+function tf_prompt_info() {
+    # check if in terraform dir
+    if [ -d .terraform ]; then
+      workspace=$(terraform workspace show 2> /dev/null) || return
+      echo "[${workspace}]"
+    fi
+}