Initial templates for Jade (NodeJS) and Pebble SSTI

[shelld3v]

I have created 2 templates to let you have a look. Make sure that you have confirmed the accuracy (testing locally) of those templates before applying them. For more information:

• https://github.com/swisskyrepo/PayloadsAllTheThings/tree/master/Server%20Side%20Template%20Injection
• https://portswigger.net/research/server-side-template-injection
• https://book.hacktricks.xyz/pentesting-web/ssti-server-side-template-injection

There are more (Thymeleaf, Razor, Jinjava, ... with docs), but will stop from here!