Added imginfo and hidden hash command

bot/handlers/help_command/help_strings.py

@@ -1,3 +1,4 @@
 help_data = {
-    'setendpoint': '(admin) Set StableDiffusion API endpoint'
+    'setendpoint': '(admin) Set StableDiffusion API endpoint',
+    'imginfo': 'Get information about image, that was generated using this bot'
 }