Exclusive write access

[jgrete]

We use Deck in small team of five to manage our work. We would like to have a checkbox to gain exclusive write access to a card. We often had the situation that one team member overwrites some other members changes.
Regards
Juergen

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[juliusknorr]

Yes, we should definitely have some locking in place. This is also related to #256 so the content gets updated once someone else pushes changes.

[juliusknorr]

https://fideloper.com/etags-and-optimistic-concurrency-control might be the way to go with this together with #1650

[juliusknorr]

cc @stefan-niedermann @desperateCoder as this might be also very useful for the mobile app

[jgrete]

Nice to hear that my wish isn't lost in time and space :-)