docs: updated to include windows port of steam collection script

docs: added steam collection extraction to list of features

feat: Add mod list extraction functionality (PowerShell)

This commit adds the BIMM-Extract.ps1 script, providing the capability to extract mod names from Arma 3 preset HTML files. Key features and technical details:

* Uses System.Windows.Forms.OpenFileDialog for file selection.
* Employs Get-Content, findstr, and string splitting for extraction and formatting.
* Output is saved as ModList.txt, with mod names delimited by ;@.

Add files via upload

Add files via upload

Add files via upload