added some guidelines

Author: SubhrajitPrusty

Contribution.md

@@ -0,0 +1,9 @@
+# How to contribute
+ 
+- Add your favorite esolang
+- Make a folder containing all the required files
+- Name of the folder should be the name of the esolang
+- Add a README.md inside of the folder
+- Add screenshots of the code and output in the README
+- Add plenty of comments
+- If you want to add a program other than hello world, appropriately name it so.