cogs refactoring, removing useless bloat, main.py refactor

cogs/uptime/config.json

@@ -0,0 +1,23 @@
+{
+  "description": "аптайм бота",
+  "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"]
+  },
+
+  "embed": {
+    "session_field":     "текущая сессия",
+    "availability_field":"тотал аптайм"
+  },
+  "settings": {
+    "max_units": 4,
+    "show_percent": true
+  }
+}