merge lastfm client into bot class

bot.py

@@ -2,10 +2,15 @@ import os
 import importlib
 
 import nerimity
+import pylast
 
 class Bot(nerimity.Client):
     """Extended client class for extra functionality."""
-    def __init__(self, *args, **kwargs):
+    def __init__(self, lastfm_api_key: str, lastfm_api_secret: str, *args, **kwargs):
+        self.lastfm = pylast.LastFMNetwork(
+            api_key = lastfm_api_key,
+            api_secret = lastfm_api_secret
+        )
         super().__init__(*args, **kwargs)
 
     def load_commands(self, commands_dir: str):

main.py

@@ -8,16 +8,12 @@ import bot
 with open("config.toml", "rb") as f:
     config = tomllib.load(f)
 
-# last.fm client
-network = pylast.LastFMNetwork(
-    api_key = config['api_key'],
-    api_secret = config['api_secret']
-)
-
 # nerimity client
 bot = bot.Bot(
     token = config['token'],
-    prefix='!'
+    prefix = '!',
+    lastfm_api_key = config['api_key'],
+    lastfm_api_secret = config['api_secret']
 )
 
 bot.load_commands("commands")