lua-cjson: add hash file

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/lua-cjson/lua-cjson.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256	db7af849c555d1a474f729fe4a56b5530e9be7b24749eb7a7c474a7c7207b972  lua-cjson-2.1.0-1.src.rock