fix: changed "Bun:SQLite" to match the new database guide

Author: slvssb

src/content/docs/get-started/bun-sqlite-existing.mdx

@@ -20,7 +20,7 @@ import UpdateSchema from '@mdx/get-started/sqlite/UpdateSchema.mdx';
 
 <Breadcrumbs/>
 
-# Get Started with Drizzle and SQLite in existing project
+# Get Started with Drizzle and Bun:SQLite in existing project
 
 <Prerequisites>  
   - **dotenv** - package for managing environment variables - [read here](https://www.npmjs.com/package/dotenv)