add pip, ms store, npm to features

[ppvnf]

• I have read the contributing guidelines and I agree with the Code of Conduct
• Have you checked that there aren't other open pull requests for the same changes?
• Have you tested that the committed code can be executed without errors?

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Closes #XXXX

Relates to #XXXX

[candrapersada]

is it true that you can update the ms store app from WingetUI?
Note that version number is unknown.

[marticliment]

is it true that you can update the ms store app from WingetUI?

Some of them. You can actually update EXE/MSI apps (in theory), but UWP/APPX/MSIX classic microsoft store apps can't be updated.

[candrapersada]

WingetUI 2.0.0 stable
winget v1.4.11071 stable
installation failed

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Found mpv.net [9N64SQZTB3LM] Version Unknown
This package is provided through Microsoft Store. winget may need to acquire the package from Microsoft Store on behalf of the current user.
Agreements for mpv.net [9N64SQZTB3LM] Version Unknown
Version: Unknown
Publisher: Frank Skare
Publisher Url: https://github.com/stax76/mpv.net
Publisher Support Url: https://github.com/stax76/mpv.net/blob/master/docs/Manual.md#support
Description:
mpv.net is a modern media player based on the popular mpv player.
Graphical User Interface
Modern GUI with customizable color themes.
Command Line Interface
mpv.net supports mpvs command line interface.
High quality video output
Video output that is capable of many features loved by videophiles, such as video scaling with popular high quality algorithms, color management, frame timing, interpolation, HDR, and more.
On Screen Controller
Play controls with a modern flat design.
GPU video decoding
Leverages the FFmpeg hwaccel APIs to support DXVA2 video decoding acceleration.
Active development
mpv.net is under active development.
Based on libmpv
mpv.net is based on libmpv which offers a straightforward C API that was designed from the ground up to make mpv usable as a library and facilitate easy integration into other applications. mpv is like VLC not based on DirectShow or Media Foundation.
License: ms-windows-store://pdp/?ProductId=9N64SQZTB3LM
Privacy Url: https://github.com/stax76/mpv.net/blob/master/docs/Privacy.md
Agreements:
Category: Photo & video
Pricing: Free
Free Trial: No
Terms of Transaction: https://aka.ms/microsoft-store-terms-of-transaction
Seizure Warning: https://aka.ms/microsoft-store-seizure-warning
Store License Terms: https://aka.ms/microsoft-store-license
Package agreements were not agreed to. Operation cancelled.