Essential feature

.editorconfig

@@ -0,0 +1,10 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+[*.lua]
+charset = utf-8
+indent_style = space
+indent_size = 2

plugins/ping.lua

@@ -1,11 +1,13 @@
  -- Actually the simplest plugin ever!
 
 local triggers = {
-	'^/ping[@'..bot.username..']*'
+	'^/ping[@'..bot.username..']*',
+	'^/annyong[@'..bot.username..']*'
 }
 
 local action = function(msg)
-	sendMessage(msg.chat.id, 'Pong!')
+	sendMessage(msg.chat.id,
+              msg.text_lower.match('^/ping') and 'Pong!' or 'Annyong.')
 end
 
 return {