Refactored Homebrew software as Homebrew Formulas.

- Allows for expansion of additional Homebrew software in the future
  (i.e. taps, bottles, casks, etc.)

bin/install_homebrew_formulas

@@ -0,0 +1,18 @@
+#! /usr/bin/env bash
+
+# DESCRIPTION
+# Installs Homebrew Formula software.
+
+# SETTINGS
+set -o nounset
+set -o errexit
+set -o pipefail
+IFS=$'\n\t'
+SCRIPT_PATH="$MAC_OS_CONFIG_PATH/bin/install_homebrew_formulas"
+
+# EXECUTION
+if [[ -x "$SCRIPT_PATH" ]]; then
+  "$SCRIPT_PATH"
+else
+  printf "WARNING: Homebrew Formulas install script does not exist or is not executable.\n"
+fi