Add `rustc-reading-club` under automation

[Kobzol]

Repo: https://github.com/rust-lang/rustc-reading-club

Extracted from GH:

org = "rust-lang"
name = "rustc-reading-club"
description = "Rust Code Reading Clubs"
bots = []

[access.teams]
security = "pull"
wg-rustc-reading-club = "maintain"
compiler = "maintain"

[access.individuals]
matthewjasper = "maintain"
cjgillot = "maintain"
Aaron1011 = "maintain"
estebank = "maintain"
pnkfelix = "maintain"
lcnr = "maintain"
jackh726 = "maintain"
oli-obk = "maintain"
rust-lang-owner = "admin"
davidtwco = "maintain"
petrochenkov = "maintain"
doc-jones = "maintain"
rylev = "admin"
nagisa = "maintain"
jdno = "admin"
wesleywiser = "maintain"
eddyb = "maintain"
badboy = "admin"
michaelwoerister = "maintain"
pietroalbini = "admin"
Mark-Simulacrum = "admin"
compiler-errors = "maintain"
nikomatsakis = "maintain"

[Kobzol]

Removed archival status of both wg and repository after discussion with @doc-jones.