We need a integration at "Nextcloud Deck" which opens some path in endpoints "Windows Explorer" with just one click. Can be done with chrome extension or some special endpoint application.
All project must be open-source. We will use it on company, we need to know it is safe and future-proof.
You can see details of project with visual definations from this "Adobe Photoshop PSD" file:
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If you need a simple integration with the Explorer like simple menu while right-clicking files they can be easily done in regedit itself, Your information is not clear ,Anyways hoping to work with you soon,Kudos!