README update

Author: Alexey Matveichev

README.md

@@ -15,6 +15,10 @@ OPENFOAM(R)  and OpenCFD(R)  trade marks.
 OPENFOAM(R)  is a registered trade mark of OpenCFD Limited, producer and
 distributor of the OpenFOAM software via www.openfoam.com.
 
+## Oct. 22, 2024
+
+- Added OpenFOAM 12 patch.
+
 ## Feb. 9, 2024
 
 - Updated Foundation dev patch.