Add datastore support for YANG actions

Change-Id: I15b96f70ce89b7bbe3ac0fefb7b018374eeabd84
diff --git a/src/datastore_access.hpp b/src/datastore_access.hpp
index 8ff7658..63df0bb 100644
--- a/src/datastore_access.hpp
+++ b/src/datastore_access.hpp
@@ -50,6 +50,7 @@
     virtual void deleteItem(const std::string& path) = 0;
     virtual void moveItem(const std::string& path, std::variant<yang::move::Absolute, yang::move::Relative> move) = 0;
     virtual Tree executeRpc(const std::string& path, const Tree& input) = 0;
+    virtual Tree executeAction(const std::string& path, const Tree& input) = 0;
 
     virtual std::shared_ptr<Schema> schema() = 0;