with open("app/modules/hardware/templates/detail.html", "r") as f:
    content = f.read()

target = '                    <a href="/hardware/{{ hardware.id }}/edit" class="btn btn-sm btn-outline-primary" style="opacity: 0.8;">'
replacement = '                    <button onclick="openManualHelp(\'Hardware\')" class="btn btn-sm btn-outline-info" title="Hjælp til Hardware"><i class="bi bi-question-lg"></i></button>\n' + target

content = content.replace(target, replacement)

with open("app/modules/hardware/templates/detail.html", "w") as f:
    f.write(content)