rust: add rust skeleton tree

rust/.gitignore

@@ -0,0 +1,2 @@
+target
+Cargo.lock

rust/Cargo.toml

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+[package]
+name = "suricata"
+version = "4.0.0-dev"
+
+[lib]
+crate-type = ["staticlib"]
+
+[profile.release]
+debug = true
+
+[dependencies]
+nom = "^2.1.0"
+libc = "0.2.0"

rust/src/lib.rs

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+#[test]
+fn it_works() {
+}