sapper-template & firebase firestore

Rollup Fix (found @ Stackoverflow)

Important files:

src/firebaseConfig.js Add your Firebase Config here!!!

rollup.config.js Rollup Fix (see post @ stackoverflow)

src/template.html Added firebase CDN

src/client.js Prepares firebase on the Client

src/firebase.js checks if we are on the client or serverside and returns the firestore() function

src/routes/index.svelte show our list on serverside & clientside