Add Dockerfile

Update blacklist
Clean up e621 code

Bot/lynxie/commands/help.py

@@ -0,0 +1,37 @@
+import discord
+from discord.ext import commands
+from lynxie.config import LYNXIE_PREFIX
+
+
+class Help(commands.Cog):
+    def __init__(self, bot):
+        self.bot = bot
+        self.help_commands = {
+            "help": "Show this message",
+            "ping": "Pong!",
+            "hello": "Say hello to Lynxie!",
+            "join": "Join the voice channel you're in",
+            "play <url>": "Play a song from YouTube, SoundCloud, etc.",
+            "stop": "Stop the current song and leave the voice channel",
+            "animal <animal>": "Get a random image of an animal!",
+            "overlay <image> <style>": "Overlay an image with a "
+            "style, e.g. `bubble mask`",
+            "saveable": "Turn image into a GIF to save within Discord",
+        }
+
+    @commands.command()
+    async def help(self, ctx):
+        embed = discord.Embed(
+            title="Help",
+            description=f"Lynxie's prefix is `{LYNXIE_PREFIX}`",
+            colour=discord.Colour.orange(),
+        )
+
+        for command, description in self.help_commands.items():
+            embed.add_field(
+                name=command,
+                value=description,
+                inline=False,
+            )
+
+        await ctx.reply(embed=embed)