Update README to add a Guide to create New Challenges (#9)

* Update base template README with guide and hints to create new challenges

* README tweaks and add TODO questions

* Remove initial hints (will move it main)

---------

Co-authored-by: Carlos Sánchez <oceanrdn@gmail.com>

README.md

@@ -1,12 +1,16 @@
 # 🚩 Challenge {challengeNum}: {challengeEmoji} {challengeTitle}
 
+{challengeHeroImage}
+
 A {challengeDescription}.
 
 🌟 The final deliverable is an app that {challengeDeliverable}.
 Deploy your contracts to a testnet then build and upload your app to a public web server. Submit the url on [SpeedRunEthereum.com](https://speedrunethereum.com)!
 
 💬 Meet other builders working on this challenge and get help in the {challengeTelegramLink}
 
+---
+
 ## Checkpoint 0: 📦 Install 📚
 
 Before you begin, you need to install the following tools:
@@ -24,28 +28,42 @@ git checkout {challengeName}
 yarn install
 ```
 
-> in the same terminal, start your local network (a blockchain emulator in your computer):
+🔏 Edit your smart contract {smartContractFileName} in `packages/hardhat/contracts`
 
-```sh
-yarn chain
-```
+---
 
-> in a second terminal window, 🛰 deploy your contract (locally):
+## Checkpoint 1: 🔭 Environment 📺
 
-```sh
-cd {challengeName}
-yarn deploy
+You'll have three terminals up for:
+
+```bash
+yarn start   (Next app frontend)
+yarn chain   (hardhat backend)
+yarn deploy  (to compile, deploy, and publish your contracts to the frontend)
 ```
 
-> in a third terminal window, start your 📱 frontend:
+> 💻 View your frontend at http://localhost:3000/
 
-```sh
-cd {challengeName}
-yarn start
-```
+> 👩‍💻 Rerun `yarn deploy --reset` whenever you want to deploy new contracts to the frontend.
+
+---
+
+_Other commonly used Checkpoints (check one Challenge and adapt the texts for your own):_
+
+## Checkpoint {num}: 💾 Deploy it! 🛰
+
+## Checkpoint {num}: 🚢 Ship it! 🚁
 
-📱 Open http://localhost:3000 to see the app.
+## Checkpoint {num}: 📜 Contract Verification
 
-## Checkpoint {num}: Create all the required Checkpoints for the challenge
+---
+
+_Create all the required Checkpoints for the Challenge, can also add Side Quests you think may be interesting to complete. Check other Challenges for inspiration._
 
 ## ⚔️ Side Quests
+
+_To finish your README, can add these links_
+
+> 🏃 Head to your next challenge [here](https://speedrunethereum.com).
+
+> 💬 Problems, questions, comments on the stack? Post them to the [🏗 scaffold-eth developers chat](https://t.me/joinchat/F7nCRK3kI93PoCOk)