feat(ui): Improve text rendering clarity with 3x font oversampling

scripts/test_font_config.py

@@ -0,0 +1,12 @@
+
+from imgui_bundle import imgui, hello_imgui
+
+def test_font_config():
+    config = imgui.ImFontConfig()
+    config.oversample_h = 3
+    config.oversample_v = 3
+    print(f"Oversample H: {config.oversample_h}")
+    print(f"Oversample V: {config.oversample_v}")
+
+if __name__ == "__main__":
+    test_font_config()