Added lc103 in rust.yml

Author: 1Kill2Steal

.github/workflows/rust.yml

@@ -20,6 +20,8 @@ jobs:
       run: cargo check -p lc0_general_nodes_template
     - name: lc100
       run: cargo check -p lc100_is_same_tree
+    - name: lc103
+      run: cargo check -p lc103_binary_tree_zigzag_level_order_traversal
     - name: Build
       run: cargo build --verbose
     - name: Run tests