Rename crate folders

lib/src/lib.rs

@@ -0,0 +1,14 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize, Default, Debug, Clone)]
+pub struct Item {
+    pub name: String,
+    pub data: ItemData,
+}
+
+#[derive(Serialize, Deserialize, Default, Debug, Clone)]
+
+pub struct ItemData {
+    pub checked: bool,
+    // TODO: add number
+}