Prediction market tutorial (#411)

* First draft of new prediction market tutorial

* Screencaps and clarifications

* Rework to start Hardhat from scratch

* Use Adebola's repo

* Typo

* Location of completed tutorial

* No longer doing this

* Tweaks

* Correct finished contract location

* typo

* Get things working on new version of Hardhat

* Updates for sandbox

* Updates for Shadownet and sandbox

* Add testing

* Review corrections

---------

Co-authored-by: Tim McMackin <tim.mcmackin@trili.tech>

Author: timothymcmackin

docs/building-on-etherlink/development-toolkits.md

@@ -6,7 +6,7 @@ dependencies:
 
 ## 👷 Hardhat
 
-[Hardhat](https://hardhat.org/) is an Ethereum development environment for professionals. It facilitates performing frequent tasks, such as running tests, automatically checking code for mistakes or interacting with a smart contract. To get started, check out the [Hardhat documentation](https://hardhat.org/docs) or the [Etherlink tutorial](/tutorials/marketpulse).
+[Hardhat](https://hardhat.org/) is an Ethereum development environment for professionals. It facilitates performing frequent tasks, such as running tests, automatically checking code for mistakes or interacting with a smart contract. To get started, check out the [Hardhat documentation](https://hardhat.org/docs) or the [Etherlink tutorial](/tutorials/predictionMarket).
 
 ### Using Hardhat with Etherlink