Refactor file names to better understand inheritance of the skeleton of RZ algorithms

benchmark/decremental_reachability_bench.cc

@@ -0,0 +1,8 @@
+#include <src/include/nanobench.h>
+#include <doctest/doctest.h>
+
+using namespace graph;
+
+TEST_SUITE("Decremental Reachability Bench") {
+
+}