show guild icon when bot get invited or kicked

index.js

@@ -45,6 +45,7 @@ client.registry
         const addEmbed = new Discord.RichEmbed()
         .setColor("#52e80d")
         .setTitle('Someone added me ! YAY :D')
+        .setThumbnail(guild.iconURL)
         .setDescription(`${guild.name}\n${guild.memberCount} users\nOwner: ${guild.owner.user.username}\nOwner ID: ${guild.owner}`)
         .setTimestamp()
         
@@ -57,6 +58,7 @@ client.registry
         const kickEmbed = new Discord.RichEmbed()
         .setColor("#FF0000")
         .setTitle('They kicked me out :(')
+        .setThumbnail(guild.iconURL)
         .setDescription(`${guild.name}\n${guild.memberCount} users\nOwner: ${guild.owner.user.username}\nOwner ID: ${guild.owner}`)
         .setTimestamp()