Add supernode vertex cache (#1124)

Add supernode vertex cache to account for long delta chains and modifications in the same module being independent of scanning of the nodes in the next iteration of the pulling mechanism.

tests/e2e/configuration/default_config.py

@@ -202,4 +202,9 @@ startup_config_dict = {
         "",
         "The path to mappings that describes aliases to callables in cypher queries in the form of key-value pairs in a json file. With this option query module procedures that do not exist in memgraph can be mapped to ones that exist.",
     ),
+    "delta_chain_cache_threashold": (
+        "128",
+        "128",
+        "The threshold for when to cache long delta chains. This is used for heavy read + write workloads where repeated processing of delta chains can become costly.",
+    ),
 }