use canonical module subfolder tree

src/browser/main/tab/mod.rs

@@ -0,0 +1,27 @@
+mod label;
+mod page;
+
+use gtk::Notebook;
+
+pub fn new() -> Notebook {
+    let tab = Notebook::builder().scrollable(true).build();
+
+    // Add test tab @TODO restore from session
+    append(&tab, true);
+
+    tab
+}
+
+pub fn append(tab: &Notebook, current: bool) -> u32 {
+    let page = page::new();
+
+    let page_number = tab.append_page(&page, Some(&label::new()));
+
+    tab.set_tab_reorderable(&page, true);
+
+    if current {
+        tab.set_current_page(Some(page_number));
+    }
+
+    page_number
+}