Examples based on TOML for ldmsd

This page captures some examples from @morrone until we get contributor access to the project wiki figured out.

"I think I would suggest more changes in the end, but at least they server as a general example of what the files could look like in TOML." -@morrone

• p2 local.admin.toml v0
• p2 agg.admin.toml v0

As with @baallan's vrjson, mapping to/from JSON is trivial.