Add monitorbot under automation

[Kobzol]

Repo: https://github.com/rust-lang/monitorbot

Extracted from GH:

org = "rust-lang"
name = "monitorbot"
description = "Monitoring of external API services Rust infrastructure relies upon"
bots = []

[access.teams]
security = "pull"
infra = "write"

[access.individuals]
Kobzol = "write"
rylev = "admin"
Mark-Simulacrum = "admin"
kennytm = "write"
badboy = "admin"
shepmaster = "write"
jdno = "admin"
pietroalbini = "admin"
rust-lang-owner = "admin"

[rylev]

Linking to this context for why this is not being archived.