Created say command

Fixes #12

cogs/modcommands.py

@@ -0,0 +1,29 @@
+import discord
+from discord.ext import commands
+from functions import checks
+
+
+class ModCommands(commands.Cog):
+    def __init__(self, client):
+        self.client = client
+
+    def cog_check(self, ctx):
+        return checks.isModPlus(ctx)
+
+    @commands.command(name="Say")
+    async def say(self, ctx, *, arg):
+        # Delete the original message
+        await ctx.message.delete()
+
+        # Attach the server icon as a file
+        file = discord.File("files/images/server_icon.png", filename="icon.png")
+
+        # Set up the embed
+        embed = discord.Embed(colour=discord.Colour.orange())
+        embed.set_author(name=ctx.author.display_name, icon_url="attachment://icon.png")
+        embed.description = arg
+        await ctx.send(embed=embed, file=file)
+
+
+def setup(client):
+    client.add_cog(ModCommands(client))