Documentation Update

[kekoawong]

🌟 Describe this enhancement:

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Updating the documentation to allow for a streamlined initialization. Need to give developers instructions in creating a new repo. Includes the following:

1. Initializing project in firebase, with authentication and firestore initialized, edit firestore security rules if necessary
2. Verification email may be sent to the "Spam" folder
3. Create a .env file with the following schema.
4. Need to have expo-cli and yarn installed.

❓ Why is this enhancement needed or beneficial?

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Give developers more explicit instructions for creating the repo, allowing them to get setup locally.

🔗 Useful Resources:

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• N/A