init header components

src/app/browser/header/subject.rs

@@ -0,0 +1,32 @@
+#[path = "subject/title.rs"] mod title;
+#[path = "subject/description.rs"] mod description;
+
+use gtk::Box;
+use gtk::prelude::BoxExt;
+
+pub fn new() -> Box
+{
+    let subject = Box::builder()
+
+        // Tuneup
+        .orientation(
+            gtk::Orientation::Vertical
+        )
+
+        .valign(
+            gtk::Align::Center
+        )
+
+        .build();
+
+    // Compose childs
+    subject.append(
+        &title::new()
+    );
+
+    subject.append(
+        &description::new()
+    );
+
+    return subject;
+}