Added first steam API command

cogs/api/steam.py

@@ -0,0 +1,23 @@
+import discord
+from discord.ext import commands
+from api import steam
+
+class Steam(commands.Cog):
+
+    def __init__(self, client):
+        self.client = client
+
+    @commands.command(name="SteamLevel", description="Finds the steam level of a user", usage="SteamLevel <Vanity URL>",  aliases=["level"])
+    @commands.cooldown(1, 2)
+    async def SteamLevel(self, ctx, vanity_url):
+        level = steam.get_steam_level(vanity_url)
+        percentile = round(float(steam.get_steam_level_distribution(level)), 2)
+        if level is not None:
+            await ctx.send(f"{vanity_url} is level {level}! This makes him better than {percentile}% of Steam users!")
+        else:
+            await ctx.send(f"There is nobody named \"{vanity_url}\" on Steam, or their profile might be pivate.")
+
+
+
+def setup(client):
+    client.add_cog(Steam(client))