Bump version to 1.3.Beta and add dev headbar

meson.build

@@ -1,5 +1,5 @@
 project('warehouse',
-          version: '1.2.1',
+          version: '1.3.Beta',
     meson_version: '>= 0.62.0',
   default_options: [ 'warning_level=2', 'werror=false', ],
 )

src/main.py

@@ -111,7 +111,7 @@ class WarehouseApplication(Adw.Application):
             application_name="Warehouse",
             application_icon="io.github.flattool.Warehouse",
             developer_name="Heliguy",
-            version="1.2.1",
+            version="1.3.Beta",
             developers=["Heliguy https://github.com/heliguy4599", "kramo https://kramo.hu"],
             artists=["Heliguy https://github.com/heliguy4599", "kramo https://kramo.hu", "eryn https://github.com/hericiumvevo"],
             copyright='© 2023 Heliguy',

src/window.blp

@@ -2,9 +2,7 @@ using Gtk 4.0;
 using Adw 1;
 
 template WarehouseWindow : Adw.ApplicationWindow {
-  // default-width: 800;
-  // default-height: 500;
-
+  styles["devel"]
   Adw.ToolbarView main_toolbar_view {
     [top]
     HeaderBar header_bar {