docs: update the project status to BETA in the GitHub README.md (#382)

Author: thruflo

README.md

@@ -10,7 +10,7 @@ TanStack DB extends TanStack Query with collections, live queries and optimistic
   <a href="https://x.com/intent/post?text=TanStack%20DB&url=https://tanstack.com/db">
     <img alt="#TanStack" src="https://img.shields.io/twitter/url?color=%2308a0e9&label=%23TanStack&style=social&url=https%3A%2F%2Ftwitter.com%2Fintent%2Ftweet%3Fbutton_hashtag%3DTanStack" /></a>
   <a href="#status">
-    <img src="https://img.shields.io/badge/status-alpha-orange" alt="Status - Alpha"></a>
+    <img src="https://img.shields.io/badge/status-beta-yellow" alt="Status - BETA"></a>
   <a href="https://npmjs.com/package/@tanstack/db">
     <img alt="" src="https://img.shields.io/npm/dm/@tanstack/db.svg" /></a>
   <a href="https://discord.gg/yjUNbvbraC">
@@ -186,7 +186,7 @@ No. TanStack DB is not an ORM. Queries run entirely in the client against local
 
 ## Status
 
-Tanstack DB is currently an early preview release in alpha. It's still under active development. There will be bugs and the APIs are still liable to change.
+Tanstack DB is currently in BETA. See [the release post](https://tanstack.com/blog/tanstack-db-0.1-the-embedded-client-database-for-tanstack-query) for more details.
 
 ## Contributing