adding readme

.gitattributes

@@ -67,4 +67,6 @@ _build/default/*/*.ml.sig filter=lfs diff=lfs merge=lfs -text
 _build/default/*/*/*.ml.sig filter=lfs diff=lfs merge=lfs -text
 _build/default/*/*/*/*.ml.sig filter=lfs diff=lfs merge=lfs -text
 _build/default/*/*/*/*/*.ml.sig filter=lfs diff=lfs merge=lfs -text
+**.ml.str filter=lfs diff=lfs merge=lfs -text
+
 

mina/Readme.md

@@ -0,0 +1,13 @@
+steps to run json dump of all the mina 
+this includes the compiled code as well. you will find that in the _build directory
+there are a few copies here, more work is needed.
+```
+cd mina/
+ find -name \*.ml -exec ~/2024/08/12/dune/_build/default/.ppx/1977eb4d6c4f6ad3b912f65add506a08/ppx.exe  {} > /dev/null \;
+ find -name \*.str > files.txt
+tar -cf json.tar -T files.txt 
+mkdir ~/2023/12/28/ppxlib/ocaml-opam-ppxlib-json-ast/mina
+cd ~/2023/12/28/ppxlib/ocaml-opam-ppxlib-json-ast/mina
+  git lfs track **.ml.str
+  git add *
+```