Consider adding to firebaseopensource.com

[thatfiredev]

This is a great project and it's surely helpful for Firebase Developers. Consider adding it to firebaseopensource.com.

See configuring your repo for additional instructions.

[kossnocorp]

That's a great idea, thank you!

[kossnocorp]

Here's the draft for the issue:

**Link to project (GitHub)**: https://github.com/kossnocorp/typesaurus

**Describe the project in 2-3 sentences**:

It's a universal wrapper around Firebase SDKs that allows you to work with Firestore through the same API regardless of where it's executed, on the server or in the browser. It uses `package.json`'s imports feature to resolve the server or client adapter.

It adds complete type safety to all write and read operations with the help of TypeScript.

It provides seamless API to work with your database through a single lightweight database object.

**Why would Firebase developers be interested in this project?**:

It takes the experience of working with Firestore in TypeScript to another level.

**Have you added a `.opensource/project.json` file to your site**: Yes/No

Examples:
 - https://github.com/invertase/react-native-firebase/blob/master/.opensource/project.json
 - https://github.com/sgarciac/fuego/blob/master/.opensource/project.json
 - https://github.com/firebase/emberfire/blob/master/.opensource/project.json

I still have to author and commit the JSON.