Update templates

[ktoddbrown]

• [x] Create a template for the agenda items
• [x] Create a template for proposed new data sets based on wiki

[ktoddbrown]

Discussion template for the regularcalls is still not showing up. Not quite sure what is going on here but needs to be debugged.

[ktoddbrown]

Might still take some revisions later but this is now resolved. To find the name slug look in the url.