feat(roles.py): add new roles cog for guild role management

feat(roles.py): add create command to create new roles in the guild

tux/cogs/guild/roles.py

@@ -0,0 +1,22 @@
+import discord
+from discord import app_commands
+from discord.ext import commands
+from loguru import logger
+
+
+class Roles(commands.Cog):
+    def __init__(self, bot: commands.Bot) -> None:
+        self.bot = bot
+
+    group = app_commands.Group(name="roles", description="Role commands.")
+
+    @group.command(name="create", description="Creates a role in the guild.")
+    async def create(self, interaction: discord.Interaction, name: str) -> None:
+        if interaction.guild is not None:
+            role = await interaction.guild.create_role(name=name)
+            await interaction.response.send_message(f"Created role {role.name}.")
+            logger.info(f"{interaction.user} created role {role.name}.")
+
+
+async def setup(bot: commands.Bot) -> None:
+    await bot.add_cog(Roles(bot))