Highlight the reason for this easyblock

Custom_EasyBlocks/README.md

@@ -72,3 +72,9 @@ Overview of the custom EasyBlocks.
 - __*needed because*__ want to use easyconfig parameters to determine CUDA capability.
 - __*difference compared to upstream*__ upstream doesn't have such a feature
 - __*can not be removed*__ until merged upstream
+
+## LAMMPS
+- __*added_by*__ d.alvarez
+- __*needed because*__ upstream does not include the changes that we used in the latest stage
+- __*difference compared to upstream*__ various, done by Alan
+- __*can not be removed*__ until merged upstream or the changes here are deprecated (need to be assesed by an expert)