CommonClient: Expand on make_gui docstring (#4449)

* adds docstring to make_gui describing what things you might want to change without dealing with kivy/kvui directly (there are better places to document those)

* Update CommonClient.py

Co-authored-by: Doug Hoskisson <beauxq@users.noreply.github.com>

* Update CommonClient.py

Co-authored-by: Doug Hoskisson <beauxq@users.noreply.github.com>

---------

Co-authored-by: Doug Hoskisson <beauxq@users.noreply.github.com>

CommonClient.py

@@ -709,8 +709,16 @@ class CommonContext:
         logger.exception(msg, exc_info=exc_info, extra={'compact_gui': True})
         self._messagebox_connection_loss = self.gui_error(msg, exc_info[1])
 
-    def make_gui(self) -> typing.Type["kvui.GameManager"]:
-        """To return the Kivy App class needed for run_gui so it can be overridden before being built"""
+    def make_gui(self) -> "type[kvui.GameManager]":
+        """
+        To return the Kivy `App` class needed for `run_gui` so it can be overridden before being built
+
+        Common changes are changing `base_title` to update the window title of the client and
+        updating `logging_pairs` to automatically make new tabs that can be filled with their respective logger.
+
+        ex. `logging_pairs.append(("Foo", "Bar"))`
+        will add a "Bar" tab which follows the logger returned from `logging.getLogger("Foo")`
+        """
         from kvui import GameManager
 
         class TextManager(GameManager):