feat: add module

Author: jtr109

Cargo.lock

@@ -27,4 +27,5 @@ members = [
     "flatten_binary_tree_to_linked_list",
     "find_duplicate_file_in_system",
     "minimum_moves_to_equal_elements_ii",
+    "binary_tree_level_order_traveral",
 ]

Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "binary_tree_level_order_traveral"
+version = "0.1.0"
+authors = ["Ryan Li <conbas2019@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

binary_tree_level_order_traveral/Cargo.toml

@@ -0,0 +1,7 @@
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_works() {
+        assert_eq!(2 + 2, 4);
+    }
+}