Add a batch of 4 repositories for archival

Author: Kobzol

repos/archive/rust-lang/project-rfc-2229.toml

@@ -0,0 +1,6 @@
+org = "rust-lang"
+name = "project-rfc-2229"
+description = "A repository tracking the planning for implementation and evaluation of RFC 2229."
+bots = []
+
+[access.teams]

repos/archive/rust-lang/rfc-leadership-council.toml

@@ -0,0 +1,6 @@
+org = "rust-lang"
+name = "rfc-leadership-council"
+description = "RFCs for changes to Rust"
+bots = []
+
+[access.teams]

repos/archive/rust-lang/rust-marketing.toml

@@ -0,0 +1,6 @@
+org = "rust-lang"
+name = "rust-marketing"
+description = "Rust marketing handbook"
+bots = []
+
+[access.teams]

repos/archive/rust-lang/rust-memory-model.toml

@@ -0,0 +1,6 @@
+org = "rust-lang"
+name = "rust-memory-model"
+description = "Collecting examples and information to help design a memory model for Rust."
+bots = []
+
+[access.teams]