Updated custom themes (markdown)

custom-themes.md

@@ -25,4 +25,34 @@ Here is an example:
         "TextColor": "#FFFFFF"
     }
 }
+```
+
+## Themes
+Here are some pre-made custom themes. Insert them within the outermost curly bracket layer of the file if you want to add them. (Don't forget to add a comma to the previous one)
+
+### uwu color -r
+A theme made by Universal-Bot's random color generator.
+
+```json
+"uwu color -r": {
+    "BGColor": "#D8B50E",
+    "BarColor": "#A53EE1",
+    "BarOutline": "#F28CC5",
+    "BoxInside": "#127896",
+    "BoxSelected": "#FE9D3E",
+    "BoxUnselected": "#DEE675",
+    "DownListPrev": "#9FF147",
+    "EntryBar": "#BE3CEC",
+    "EntryOutline": "#B03442",
+    "MarkSelected": "#D2176C",
+    "MarkUnselected": "#F857AE",
+    "ProgressbarIn": "#92C709",
+    "ProgressbarOut": "#A14FCE",
+    "SearchBar": "#C275AB",
+    "SearchBarOutline": "#EFF875",
+    "SideBarIconColor": "#8EB46F",
+    "SideBarSelected": "#0F1E20",
+    "SideBarUnselected": "#2B7042",
+    "TextColor": "#CE50CF"
+}
 ```