Update CONTRIBUTING.md

Author: violetforest

CONTRIBUTING.md

@@ -26,3 +26,9 @@ export const MyComponent = () => {
 
 There are some auxiliary components that aren't doing much besides aiding with the layout. A good example of that is the `/src/pages/objkt-display` where you have `<Container/>` and `<Padding />`. These components are similar to what `reactstrap` provides, but we're trying to minimize our bundle size, so we're reducing on dependencies.
 
+## Learning Resources
+[Hic Et Nunc NFTs](https://leonnicholls.medium.com/hic-et-nunc-nfts-61743765b2ac?source=user_profile---------6----------------------------)
+[Hicdex: the Hic Et Nunc indexer](https://leonnicholls.medium.com/hicdex-the-hic-et-nunc-indexer-bd45f27a228f)
+[Hic Et Nunc Metadata](https://leonnicholls.medium.com/hic-et-nunc-metadata-40e594530e31)
+[Minters for Hic Et Nunc](https://leonnicholls.medium.com/minters-for-hic-et-nunc-8b244b3d7ce0?source=user_profile---------1----------------------------)
+[Hic Et Nunc Smart Contracts (Part 1)](https://leonnicholls.medium.com/hic-et-nunc-smart-contracts-part-1-e4ad5d0934b9)