Easier setup of Blueprints for self-hosted customers

[joepavitt]

Description

We have a collection of useful Blueprints on our FlowFuse Cloud environment, listed here: https://flowfuse.com/blueprints/

However, these are not easily added to a self-hosted environment at the moment, as each Blueprint needs to be manually setup by our Customer Success team.

This request therefore asks for a few things:

• We should provide the option in the Admin UI to "import" blueprints, so that for self-hosted users, we can provide a single file (probably json) and then they can import accordingly.
• Admin users should be able to "export" all blueprints too, such that we can easily share the blueprints we create for FlowFuse Cloud.

Which customers would this be available to

All

Have you provided an initial effort estimate for this issue?

I have provided an initial effort estimate

Tasks

Beta Give feedback

1. Blueprint import/export APIs #3969
   area:api size:M - 3 task +3
   
2. Blueprint import/export front-end #3993
   area:frontend size:M - 3 task +3
   

[joepavitt]

@hardillb to tackle the API-side of this, can follow on with the UI task if he likes, or hand UI work over to @cstns as a standalone task (see tasklist)