move rhailib to herolib

rhailib/examples/access_control/bob.rhai

@@ -0,0 +1,16 @@
+let private_object = new_object()
+    .title("Alice's Private Object")
+    .description("This object can only be seen and modified by Alice")
+    .save_object();
+
+let object_shared_with_bob = new_object()
+    .title("Alice's Shared Collection")
+    .description("This object can be seen by Bob but modified only by Alice")
+    .save_object();
+
+let new_access = new_access()
+    .object_id(object_shared_with_bob.id())
+    .circle_public_key("bob_pk")
+    .save_access();
+
+