Update MIPROv2.md

Author: okhat

docs/docs/api/optimizers/MIPROv2.md

@@ -18,3 +18,6 @@ MIPROv2 optimizer optimizes instruction and also build few-shot examples.
         separate_signature: false
         inherited_members: true
 <!-- END_API_REF -->
+
+
+[Slightly outdated content here, to be moved and updated](https://github.com/stanfordnlp/dspy/blob/b40f359ec567a04a7f8d1d5d1a744ca9c32d5339/docs/docs/deep-dive/optimizers/miprov2.md)