Update application title to reflect project name

- Change window title from "Serial Device Manager" to "ComConfigCopy"

ComConfigCopy.py

@@ -541,7 +541,7 @@ class SettingsWindow(tk.Toplevel):
 class SerialAppGUI(tk.Tk):
     def __init__(self, settings):
         super().__init__()
-        self.title("Serial Device Manager")
+        self.title("ComConfigCopy")
         self.geometry("900x700")
         self.style = ttk.Style(self)
         self.style.theme_use("clam")