Add email template on asking for citations of other datasets

[laijasmine]

• [x] Integrate part of data processing workflow
• [ ] follow up with them a couple years down the line again
• [x] Add some email templates (maybe based on the pre-issued doi template)

[KellyWang1126]

@laijasmine Do you mean we should follow up with PI about the citations of other datasets a couple years later after the data package is published?

[laijasmine]

Yeah I haven't thought this out completely yet.. I've assigned this to myself so you can ignore this one for now!