Document mid-tier model intelligence advantage in readme key takeaways

Author: robertpiosik

README.md

@@ -34,6 +34,7 @@
 - clear intent in single-turn prompts shortens reasoning
 - iteration on instructions without context bloat
 - context reuse without ever-growing sessions
+- squeezes intelligence from mid-tier models
 - no-cost AI coding in free chatbots
 
 ## Privacy