New Script: Kometa

[tremor021]

✍️ Description

🔗 Related PR / Discussion / Issue

Link: #88

✅ 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.

🛠️ 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.

📋 Additional Information (optional)

For app to run, user needs to provide AT LEAST TMDb key, Plex URL and Plex token. Without those 3, app cannot be installed and started.