build: add bazel rust workflow

MODULE.bazel

@@ -0,0 +1,22 @@
+module(name = "alexion", version = "0.1.0")
+
+bazel_dep(name = "rules_rust", version = "0.74.0")
+
+rust = use_extension("@rules_rust//rust:extensions.bzl", "rust")
+rust.toolchain(versions = [])
+use_repo(rust, "rust_toolchains")
+
+local_rust = use_extension("//tools/rust:extensions.bzl", "local_rust")
+use_repo(local_rust, "local_rust_toolchain")
+
+crate = use_extension("@rules_rust//crate_universe:extensions.bzl", "crate")
+crate.from_cargo(
+    name = "machoke_crates",
+    cargo_lockfile = "//src/machoke:Cargo.lock",
+    host_tools = "@local_rust_toolchain//:rustc",
+    manifests = ["//src/machoke:Cargo.toml"],
+)
+use_repo(crate, "machoke_crates")
+
+register_toolchains("@rust_toolchains//:all")
+register_toolchains("@local_rust_toolchain//:local_rust_toolchain")