rewrite: Refactor ui utils, add pagers.

bot/utils/ui/__init__.py

@@ -0,0 +1,20 @@
+import asyncio
+import logging
+from .. import util_babel
+
+logger = logging.getLogger(__name__)
+
+from .hooked import *
+from .leo import *
+from .micros import *
+from .pagers import *
+from .transformed import *
+
+
+# def create_task_in(coro, context: Context):
+#     """
+#     Transitional.
+#     Since py3.10 asyncio does not support context instantiation,
+#     this helper method runs `asyncio.create_task(coro)` inside the given context.
+#     """
+#     return context.run(asyncio.create_task, coro)