Allow users to define different resource "modes" to switch between

[ama4tf]

Is your feature request related to a problem?

Not a bug but a feature request

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Describe the Feature

1. Have a drop-down for the different modes with 2 predefined: all allocated resources used, all paused
2. Allow users to define new modes where some or all of their resources are utilized
3. For example, I have 16 cpu cores and 2 gpus (1 came with the motherboard so is rarely used). I may have a "gaming" mode where I want only 4 cpus and the weaker gpu folding. Then a "browsing" mode where all 12 cpus and both gpus are in use.
4. Allow users to edit or delete which resources are used in which modes
5. When switching modes, reallocate work units where it is still possible to complete the WU in time with those resources, pausing the work unit if not
6. Ex. if downgrading from 16 to 4 cpus, keep the work unit, but where a gpu is turned off, pause the work unit

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Context

I'd like to keep folding but at reduced resource consumption when doing more active tasks. Right now the only modes are "all on" and "all off" whereas I'd like the ability to keep some cpu folding going during gpu-intensive activities or vice-versa