rewrite: Initial rewrite skeleton.

Remove modules that will no longer be required.
Move pending modules to pending-rewrite folders.

bot/modules/pending-rewrite/sponsors/commands.py

@@ -0,0 +1,14 @@
+from .module import module
+
+
+@module.cmd(
+    name="sponsors",
+    group="Meta",
+    desc="Check out our wonderful partners!",
+)
+async def cmd_sponsors(ctx):
+    """
+    Usage``:
+        {prefix}sponsors
+    """
+    await ctx.reply(**ctx.client.settings.sponsor_message.args(ctx))