Add rustc-perf repository under automation

[Kobzol]

Repo: https://github.com/rust-lang/rustc-perf

Original configuration extracted from GitHub:

org = "rust-lang"
name = "rustc-perf"
description = "Website for graphing performance of rustc"
bots = []

[access.teams]
wg-compiler-performance = "write"
security = "pull"

[access.individuals]
badboy = "admin"
michaelwoerister = "write"
lqd = "write"
pietroalbini = "admin"
nnethercote = "write"
tgnottingham = "write"
wesleywiser = "write"
Mark-Simulacrum = "admin"
rust-lang-owner = "admin"
jdno = "admin"
pnkfelix = "write"
Kobzol = "write"
rylev = "admin"

[[branch-protections]]
pattern = "master"
ci-checks = [
    "Test and deploy",
    "Test on Windows",
    "Database Check",
]
dismiss-stale-review = false
pr-required = true
review-required = true