build: init scanner

Cargo.toml

@@ -13,5 +13,6 @@ path = "scie-grammar"
 
 [workspace]
 members = [
- "scie-grammar"
+ "scie-grammar",
+ "scie-scanner"
 ]
\ No newline at end of file

scie-scanner/Cargo.toml

+[package]
+name = "scie-scanner"
+version = "0.1.0"
+authors = ["Phodal Huang <h@phodal.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

scie-scanner/src/lib.rs

+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_works() {
+        assert_eq!(2 + 2, 4);
+    }
+}