feat: Move module run logic into its own script (#168)

This will help make the Containerfile just a little bit easier to read
(ignoring all the mounts lol). This would also allow us to add logic
later to support modules that run executables other than `*.sh`.

scripts/run_module.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# Function to print a centered text banner within a specified width
+print_banner() {
+  local term_width=120
+
+  local text=" ${1} "        # Text to print
+  local padding="$(printf '%0.1s' '='{1..600})"
+  local padlen=0
+
+  if (( ${#text} < term_width )); then
+    padlen=$(( (term_width - ${#text}) / 2 ))
+  fi
+
+  printf '%*.*s%s%*.*s\n' 0 "$padlen" "$padding" "$text" 0 "$padlen" "$padding"
+}
+
+title_case() {
+  echo $(tr '[:lower:]' '[:upper:]' <<< ${1:0:1})${1:1}
+}
+
+module=$1
+params=$2
+script_path="/tmp/modules/${module}/${module}.sh"
+
+print_banner "Start $(title_case ${module}) Module"
+chmod +x ${script_path}
+${script_path} ${params}
+print_banner "End $(title_case ${module}) Module"
+ostree container commit