Add and use Red-Commons library (#5624)

* update RC dep

* welp 100% tested

* fix import

* 120% tested

* Call _early_init even earlier

Not really in scope of this PR but the original was merged
before I could share any feedback.

* explicitly import getLogger

Co-authored-by: jack1142 <6032823+jack1142@users.noreply.github.com>

redbot/setup.py

@@ -1,4 +1,8 @@
-#!/usr/bin/env python3
+from redbot import _early_init
+
+# this needs to be called as early as possible
+_early_init()
+
 import asyncio
 import json
 import logging
@@ -9,10 +13,6 @@ from copy import deepcopy
 from pathlib import Path
 from typing import Dict, Any, Optional, Union
 
-from redbot import _early_init
-
-_early_init()
-
 import appdirs
 import click