refactor(rust): align workspace with style rules

src/machoke/BUILD

@@ -3,11 +3,11 @@ load("@rules_rust//rust:defs.bzl", "rust_library", "rust_test")
 rust_library(
     name = "machoke_lib",
     crate_name = "machoke",
-    srcs = ["lib.rs"],
+    srcs = ["machoke.rs"],
 )
 
 rust_test(
     name = "machoke_test",
-    srcs = ["lib_test.rs"],
+    srcs = ["machoke_test.rs"],
     deps = [":machoke_lib"],
 )

src/machoke/Cargo.toml

@@ -4,10 +4,6 @@ version = "0.1.0"
 edition = "2024"
 
 [lib]
-path = "lib.rs"
-
-[[test]]
-name = "lib_test"
-path = "lib_test.rs"
+path = "machoke.rs"
 
 [dependencies]