add data w/ serde and RON

src/data.rs

@@ -0,0 +1,9 @@
+use serde::{Deserialize, Serialize};
+
+pub type Table = Vec<Category>;
+
+#[derive(Clone, Debug, Default, Deserialize, Serialize)]
+pub struct Category {
+    pub header: String,
+    pub elements: Vec<String>,
+}

src/main.rs

@@ -1,5 +1,7 @@
 use iced::{Element, Renderer, Theme, widget};
 
+mod data;
+
 enum Message {}
 
 struct State {}