Move Some topics to New Instance

[RGJ (Richard - Communiteq)]

@Heliosurge

create new categories to house the topics that are desired to copy to the new install.

This will work Administrative Bulk Operations

@Discourse

Export a set of complete categories

(…) For example:

rake export:categories["12 6"]

(…)

Importing a category file

Use the exported file’s name like the example below:

rake import:file["category-export-2019-05-16-052430.json"]