Feature: Add optional Port for Filebrowser

[MickLesk]

✍️ Description

Filebrowser collides with some scripts, like zitadel or others. Use the same port. There is now possible to set an own port.

✅ Prerequisites

Before this PR can be reviewed, the following must be completed:

• Self-review performed – Code follows established patterns and conventions.
• Testing performed – Changes have been thoroughly tested and verified.

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🛠️ Type of Change

Select all that apply:

• [] 🐞 Bug fix – Resolves an issue without breaking functionality.
• ✨ New feature – Adds new, non-breaking functionality.
• [] 💥 Breaking change – Alters existing functionality in a way that may require updates.
• [] 🆕 New script – A fully functional and tested script or script set.

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📋 Additional Information (optional)

[CrazyWolf13]

lgtm