feat: mac install support

script/install.d/25-terraform.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+# -----------------------------------------------------------------------------
+# Description:
+#   Install terraform.
+#
+
+if ! command -v "terraform" &>/dev/null; then
+    if [[ "$OSTYPE" == "linux-gnu"* ]]; then
+        sudo apt-get install -qq terraform
+    elif [[ "$OSTYPE" == "darwin"* ]]; then
+        brew tap hashicorp/tap
+        brew install hashicorp/tap/terraform
+    fi
+fi