feature (sponsors): Add sponsor command.

Add new sponsor prompts.
Add new sponsor command.
Add `sponsor_text` table.
Add sponsor global config settings.
Update `Setting.command` to use new `widget`.
Add custom `cmd_str` support to `Message` `SettingType`.

bot/modules/sponsors/module.py

@@ -0,0 +1,27 @@
+import discord
+
+from LionModule import LionModule
+from LionContext import LionContext
+
+from meta import client
+
+from .config import settings
+
+
+module = LionModule("Sponsor")
+
+
+sponsored_commands = {'profile', 'stats', 'weekly', 'monthly'}
+
+
+@LionContext.reply.add_wrapper
+async def sponsor_reply_wrapper(func, ctx: LionContext, *args, **kwargs):
+    if ctx.cmd and ctx.cmd.name in sponsored_commands:
+        sponsor_hint = discord.Embed(
+            description=settings.sponsor_prompt.value,
+            colour=discord.Colour.dark_theme()
+        )
+        if 'embed' not in kwargs:
+            kwargs['embed'] = sponsor_hint
+
+    return await func(ctx, *args, **kwargs)