feat(uptime): add uptime monitor with refreshes

Introduces an uptime command and view to show how long the bot has been running. Adds a method to calculate uptime in bot.py, registers the command in help.py, and implements the command logic in a new uptime.py cog with a refresh button.

cogs/general/uptime.py

@@ -0,0 +1,54 @@
+import discord
+from discord.ext import commands
+from discord.ext.commands import Context
+
+
+class UptimeView(discord.ui.View):
+    def __init__(self, bot):
+        super().__init__(timeout=300)
+        self.bot = bot
+
+    @discord.ui.button(emoji="<:RefreshEmoji:1418934990770802891>", style=discord.ButtonStyle.primary)
+    async def refresh_button(self, interaction: discord.Interaction, button: discord.ui.Button):
+        embed = discord.Embed(
+            title="Bot Uptime",
+            description=f"The bot has been running for {self.bot.get_uptime()}",
+            color=0x7289DA,
+        )
+        embed.set_author(name="Uptime", icon_url="https://yes.nighty.works/raw/y5SEZ9.webp")
+        await interaction.response.edit_message(embed=embed, view=self)
+
+
+class Uptime(commands.Cog, name="uptime"):
+    def __init__(self, bot) -> None:
+        self.bot = bot
+
+    @commands.hybrid_command(
+        name="uptime",
+        description="Check how long the bot has been running.",
+    )
+    async def uptime(self, context: Context) -> None:
+        """
+        Check how long the bot has been running.
+
+        :param context: The hybrid command context.
+        """
+        embed = discord.Embed(
+            title="Bot Uptime",
+            description=f"The bot has been running for **{self.bot.get_uptime()}**",
+            color=0x7289DA,
+        )
+        embed.set_author(name="Uptime", icon_url="https://yes.nighty.works/raw/y5SEZ9.webp")
+        view = UptimeView(self.bot)
+        if getattr(context, "interaction", None):
+            inter = context.interaction
+            if not inter.response.is_done():
+                await inter.response.send_message(embed=embed, view=view, ephemeral=True)
+            else:
+                await inter.followup.send(embed=embed, view=view, ephemeral=True)
+        else:
+            await context.send(embed=embed, view=view)
+
+
+async def setup(bot) -> None:
+    await bot.add_cog(Uptime(bot))