cog and main.py overall refactoring, organization improvements

cogs/uptime/config.json

@@ -1,20 +1,20 @@
 {
-  "description": "аптайм бота",
+  "description": "Bot Uptime",
   "usages": ["!uptime"],
   "first_seen": null,
   "total_downtime": 0.0,
   "last_start": null,
 
   "labels": {
-    "days":    ["день",    "дня",    "дней"],
-    "hours":   ["час",     "часа",   "часов"],
-    "minutes": ["минуту",  "минуты", "минут"],
-    "seconds": ["секунду", "секунды","секунд"]
+    "days":    ["day",    "days",    "days"],
+    "hours":   ["hour",     "hours",   "hours"],
+    "minutes": ["minute",  "minutes", "minutes"],
+    "seconds": ["second", "seconds","seconds"]
   },
 
   "embed": {
-    "session_field":     "текущая сессия",
-    "availability_field":"тотал аптайм"
+    "session_field":     "Current Session",
+    "availability_field":"Total Uptime"
   },
   "settings": {
     "max_units": 4,