Add comment to Node.js example application

repository/CodeParadise-NodeJS-Support/CpNodeJSSupportExampleHttpServerApplication.class.st

@@ -1,3 +1,18 @@
+"
+I am an example application for use with Node.js.
+
+I am a calculating HTTP Server.
+Try sending me as URL ""/add:42"" to add a number. You can also use ""/subtract:7"", ""/multiply:3"" or ""/divide:2.5"".
+Or combine calculations ""/add:3/subtract:7/multiply:3.1/subtract:2.78"".
+You can repeatedly perform calculations. To see the current value use ""/value"".
+To remove the last calculation use ""/undo"", to remove all calculations use ""/reset"".
+You can snapshot the image using ""/snapshot"". From that point, the image is ""sealed"" and no
+updates can be made to the image using the CodeParadise server. The image can be snapshotted
+again later to store the current calculation once more. Every snapshot will overwrite the image.
+(I do not support LargeIntegers on input, but do support such outcomes)
+Have fun!
+
+"
 Class {
 	#name : #CpNodeJSSupportExampleHttpServerApplication,
 	#superclass : #CpServerApplication,