complete widget submodule refactory

src/browser/main/tab/label/widget.rs

@@ -0,0 +1,24 @@
+use gtk::prelude::BoxExt;
+
+pub struct Label {
+    gtk: gtk::Box,
+}
+
+impl Label {
+    // Construct new object
+    pub fn new(pin: &gtk::Image, title: &gtk::Label) -> Label {
+        let gtk = gtk::Box::builder()
+            .orientation(gtk::Orientation::Horizontal)
+            .build();
+
+        gtk.append(pin);
+        gtk.append(title);
+
+        Self { gtk }
+    }
+
+    // Getters
+    pub fn gtk(&self) -> &gtk::Box {
+        &self.gtk
+    }
+}