implement title detection by content type provider

src/app/browser/main/tab/page/content/text/gemini.cpp

@@ -4,19 +4,26 @@
 using namespace app::browser::main::tab::page::content::text;
 
 Gemini::Gemini(
-    const Glib::ustring & GEMTEXT
+    const Glib::ustring & GEMTEXT,
+    Glib::ustring & title
 ) : Gtk::Viewport( // add scrolled window features to childs
     NULL,
     NULL
 ) {
+    // Init components
+    auto geminiReader = Gtk::make_managed<gemini::Reader>(
+        GEMTEXT
+    );
+
+        // Grab title
+        title = geminiReader->get_title();
+
     // Init widget
     set_scroll_to_focus(
         false
     );
 
     set_child(
-        * Gtk::make_managed<gemini::Reader>(
-            GEMTEXT
-        )
+        * geminiReader
     );
 }