feat(api): init rust rewrite

lib/libpk/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "libpk"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anyhow = "1.0.69"
+config = "0.13.3"
+gethostname = "0.4.1"
+lazy_static = "1.4.0"
+serde = "1.0.152"
+tokio = { version = "1.25.0", features = ["full"] }
+tracing = "0.1.37"
+tracing-gelf = "0.7.1"
+tracing-subscriber = { version = "0.3.16", features = ["env-filter"] }