Category re-arranging

[meangreen2018]

Which user group(s) are the primary audience for this feature/enhancement.
Include deployment names if possible
Specify key workflows (e.g. crisis, elections)
Specify key use cases (program/data workers, incident management, advocacy/storytelling)

• riversidepods.ushahidi.io
• neighborhood asset mapping
• discovering, connecting, and mobilizing the gifts of immediate neighbors

Is your feature request related to a problem? Please describe.

Currently, when setting up categories in settings, categories can only be arranged by the order they were created. When adding posts to the map, the categories seem to be in somewhat random order, making it hard to find the categories I am looking for. I am using the map to categorize people based on their talents and gifts so that I can connect neighbors together. This means I am creating a huge amount of categories that get quite specific.

Describe the solution you'd like
A clear and concise description of what you want to happen.

I would like to be allowed to re-arrange the order of categories when setting them up in settings. It would also be helpful if categories were sorted in the same way as I arrange them in settings when adding a post to the map so that I can find them easily. It seems like a simple option to drag categories back and forth to re-arrange them would be all that would be needed.

Describe alternatives you've considered
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Additional context
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