Removed install from docs and added tip about acquisition

Author: eliasdefaria

docs/introduction/welcome.mdx

@@ -2,6 +2,11 @@
 title: "Welcome to SDF"
 ---
 
+<Tip>
+  SDF Labs has been acquired by dbt Labs! The engine used in these docs and guides is no longer available for installation. 
+  If you have any questions, check out our [CEO's blog post](https://blog.sdf.com/p/dbt-labs-has-acquired-sdf) and join the #topic-sdf channel in [dbt's Slack community](https://getdbt.slack.com/archives/C088YCAB6GH). 
+</Tip>
+
 ## What is SDF?
 
 SDF is the fastest way to build a scalable, reliable, and optimized data warehouse.