add markdown service

[needmorecowbell]

A service should be added that takes an eml report and parses it to markdown styled with associations. Contents should be templated to represent each item that is contained within the eml, and placed into the workspace. The vault will act as your obsidian vault, and the graph visualization should automatically display relationships between emails because of the templates and associations.

The templates should be compatible with dataview, so that the files can be queried as if the vault were a database.

IE:

IP template,
Domain template,
EMLReport template,
ServiceReport template,
Email address template,
Attachment template