Update contributing.md

Author: sadanandpai

contributing.md

@@ -1,23 +1,31 @@
 ### Contribution Guide
+
 - Feel free to contribute to this repo by raising the __pull request__
-- If you do not know to raise a pull request, send an email with details to sadypai@gmail.com
-- Spelling mistakes, improvement of answers, code comments, rephrasing the questions / points, additional details, quality references and similar contributions are highly appreciated
+- Spelling mistakes, improvement of answers, code comments, rephrasing the questions/points, additional details, quality references, and similar contributions are highly appreciated
 
 #### Question contribution
+
 - The question should be unambiguous and as generic as possible
-- Only JavaScript questions with coding solutions are allowed (No theoretical question)
-- Any coding hints to be provided along with the question can be included as example
+- Only JavaScript questions with coding solutions are allowed (No theoretical questions)
+- Any coding hints to be provided along with the question can be included as an example
 - This repo does not aim to solve algorithm questions in JavaScript
-- Answer can contain maximum 4 parts
+- Answer can contain a maximum 4 parts
 	- Important points related to solving the question or about the implementation logic - optional but recommended
 	- Solution program (single or multiple solutions) - mandatory
 	- Notes (additional detail about the answer) - optional
 	- References - optional but recommended
 
-#### Standards followed
+#### Standards Followed
+
 - No full stop at the end of the question or points
 - Output of the code is mentioned in front of the statement with comments
 - Code comments should be before or after the code in a separate line
 - Driver codes are added only when necessary
 - The difficulty level of the question in general increases with the question number
 - Follow the existing format of markdown and code
+
+#### Tech
+
+- Website is built using Nextra
+- The challenges are in [mdx files](https://github.com/sadanandpai/javascript-code-challenges/tree/main/web/src/pages)
+- Add new questions to the end