docs: move staking explainer image to end of home page

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: bernatfp

content/index.mdx

@@ -12,8 +12,6 @@ description:
 staking rewards while staying liquid through stFOGO, so you can participate in
 DeFi and do more with your staked FOGO.
 
-![FOGO staking flow: User stakes FOGO through Brasa to validators and receives stFOGO](/marketing/FOGO%20Staking%20explainer.png)
-
 ## What is Brasa?
 
 Brasa is a liquid staking token (LST) protocol built on Fogo that allows you to:
@@ -24,3 +22,5 @@ Brasa is a liquid staking token (LST) protocol built on Fogo that allows you to:
 - **Optimize your yield** through Brasa's delegation strategy
 
 Ready to learn more? Start with the [Overview](/overview).
+
+![FOGO staking flow: User stakes FOGO through Brasa to validators and receives stFOGO](/marketing/FOGO%20Staking%20explainer.png)