feat: Add arbit utility module

Cargo.lock

@@ -1123,6 +1123,7 @@ dependencies = [
  "ctor",
  "cyborgtime",
  "either",
+ "fastrand",
  "figment",
  "futures",
  "hardened_malloc-rs",
@@ -1921,6 +1922,12 @@ dependencies = [
  "zune-inflate",
 ]
 
+[[package]]
+name = "fastrand"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
+
 [[package]]
 name = "fax"
 version = "0.2.6"