fix bots admin and config form

bots/admin.py

@@ -1,3 +1,14 @@
 from django.contrib import admin
+from .models import TelegramBot
+from .modules import EchoBotModuleConfig, ChannelHelperBotModuleConfig, OverlayBotModuleConfig, QueuedItem
 
-# Register your models here.
+
+@admin.register(TelegramBot)
+class TelegramBot(admin.ModelAdmin):
+    list_display = '__str__', 'active',
+
+
+admin.site.register(EchoBotModuleConfig)
+admin.site.register(ChannelHelperBotModuleConfig)
+admin.site.register(OverlayBotModuleConfig)
+admin.site.register(QueuedItem)