feat(mobile): Uploading contents on mobile easier w/ pwa file handlers

[arthuRHD]

Hello
I deleted site.webmanifest because you already have a manifest.json but to be clear, I'm unsure about the standard nowadays since it's subject to debate.

Feel free to trash or merge if you found this useful. I just want to upload file easily from my Android device.
Regards

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Latest commit: fec5f28

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[CorentinTh]

Thank you for the contribution 🙏
There is on drawback here: the documents will be added to the next opened organizations. The user may be part of multiple organization, and they won't be able to choose which one to add the documents to.

I've never used this LaunchQueue mechanism before, so not very sure on how it behaves, but we this feature may needs to be studied, perhaps we can display a modal to let the user choose which organization to add the documents to when multiple organizations are available, and also confirm the wants to add the files

[CorentinTh]

Any new on this @arthuRHD ?

[arthuRHD]

Hey, thanks for the concern. Due to personal issues, I left that hanging. I'm sorry. I will propose a solution for the multi-organization instances.