Update readme and .env.sample

.env.sample

@@ -1,5 +1,12 @@
 NEXT_PUBLIC_SITE_KEY=f1
-NEXT_PUBLIC_CURRENT_YEAR=2022
+NEXT_PUBLIC_CURRENT_YEAR=2023
 NEXT_PUBLIC_GOOGLE_VERIFICATION=
-NEXT_PUBLIC_MAINTENANCE_MODE=false
-NEXT_PUBLIC_PLAUSIBLE_KEY=
+NEXT_PUBLIC_PLAUSIBLE_KEY=
+NEXT_PUBLIC_FIREBASE_API_KEY=
+NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN=
+NEXT_PUBLIC_FIREBASE_PROJECT_ID=
+NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET=
+NEXT_PUBLIC_FIREBASE_MESSAGING_ID=
+NEXT_PUBLIC_FIREBASE_APP_ID=
+NEXT_PUBLIC_FIREBASE_VAPID=
+NEXT_PUBLIC_NOVU_API=

README.md

@@ -2,7 +2,11 @@
     <a href="https://f1calendar.com"><img src="https://f1calendar.com/share.png" width="600" alt="F1 Calendar" /></a>
 </p>
 
-_The second edition of [f1calendar.com](https://f1calendar.com)_
+Codebase that powers the fan run & built [F1Calendar.com](https://f1calendar.com) along with its various offshoots. Includes support for email reminders & now Web Push Notifications.
+
+Made open-source by [@ay8s](https://twitter.com/ay8s) with the support of [@aajhiggs](https://twitter.com/aajhiggs) and [@si](https://twitter.com/si).
+
+Graciously hosted by [Vercel](https://vercel.com/?utm_source=sportstimes).
 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
 [![All Contributors](https://img.shields.io/badge/all_contributors-46-orange.svg?style=flat-square)](#contributors-)
@@ -25,8 +29,6 @@ If there is a language you'd like to see F1 Calendar localized to but we haven't
 
 ## Contributors ✨
 
-Made open-source by [@ay8s](https://twitter.com/ay8s) with the support of [@aajhiggs](https://twitter.com/aajhiggs) and [@si](https://twitter.com/si).
-
 Thanks goes to these wonderful people who have also contributed. ([emoji key](https://allcontributors.org/docs/en/emoji-key)):
 
 <!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->