Add developer property

data/gtk/window.blp

@@ -99,6 +99,20 @@ template CartridgesWindow : Adw.ApplicationWindow {
                     "title-1",
                   ]
                 }
+
+                Label overview_developer {
+                  margin-top: 3;
+                  hexpand: true;
+                  halign: start;
+                  wrap: true;
+                  wrap-mode: word_char;
+                  natural-wrap-mode: word;
+
+                  styles [
+                    "heading"
+                  ]
+                }
+
                 Label overview_added {
                   margin-top: 12;
                   hexpand: true;