init navbar components

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

@@ -0,0 +1,50 @@
+#[path = "navigation/base.rs"] mod base;
+#[path = "navigation/history.rs"] mod history;
+#[path = "navigation/reload.rs"] mod reload;
+#[path = "navigation/request.rs"] mod request;
+#[path = "navigation/bookmark.rs"] mod bookmark;
+
+use gtk::Box;
+use gtk::prelude::BoxExt;
+
+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()
+        );
+
+    return navigation;
+}