Add all resources from one library into a release library.

Description - Currently there is the option to 'Add all changed resources'.  I think a useful feature would be to be able to import 'All changed resources from a specific library' into another one. 

Why is this feature important to you - Working at an enterprise company means a lot of rules get changed often.  Not all of these rules need to be released at the same time.  This feature would save me time and manual clicking.  We build individual libraries while working on a project, and then 'merge' them all together into a release library.  It is a pain point to manually do this process.

How would you like the feature to work - Next to the 'Add all changed resources' button, add a button that says something along the lines of 'Add  all resources from a library'.  This would then show a modal with a dropdown and all of the libraries on that property.  Upon selecting a library, a confirmation submit would be clicked, and all of the original libraries' resources will be added. This would not add all changed resources for the entire property.  

Current Behaviour - I manually click 'Add a resource', find the resource, make sure it's the resource from the library, select the revision in that library, and repeat for every rule.