add worker_affinity feature

split runtime init from main.rs

Signed-off-by: Jason Volk <jason@zemos.net>

Cargo.lock

@@ -631,6 +631,7 @@ dependencies = [
  "conduwuit_service",
  "console-subscriber",
  "const-str",
+ "core_affinity",
  "hardened_malloc-rs",
  "log",
  "opentelemetry",
@@ -933,6 +934,17 @@ version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
 
+[[package]]
+name = "core_affinity"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "622892f5635ce1fc38c8f16dfc938553ed64af482edb5e150bf4caedbfcb2304"
+dependencies = [
+ "libc",
+ "num_cpus",
+ "winapi",
+]
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.16"