use canonical module subfolder tree

src/browser/main/tab/page/navigation/mod.rs

@@ -0,0 +1,29 @@
+mod base;
+mod bookmark;
+mod history;
+mod reload;
+mod request;
+
+use gtk::prelude::BoxExt;
+use gtk::Box;
+
+pub fn new() -> Box {
+    let navigation = Box::builder()
+        // Tuneup
+        .orientation(gtk::Orientation::Horizontal)
+        .spacing(8)
+        .margin_top(8)
+        .margin_start(8)
+        .margin_end(8)
+        .margin_bottom(8)
+        .build();
+
+    // Compose childs
+    navigation.append(&base::new());
+    navigation.append(&history::new());
+    navigation.append(&reload::new());
+    navigation.append(&request::new());
+    navigation.append(&bookmark::new());
+
+    navigation
+}