Reset state of repo with updated README

.github/scripts/therock_matrix.py

@@ -0,0 +1,23 @@
+"""
+This dictionary is used to map specific file directory changes to the corresponding build flag and tests
+"""
+subtree_to_project_map = {
+    "projects/rocprim": "prim",
+    "projects/rocthrust": "prim",
+    "projects/hipcub": "prim",
+    "projects/rocrand": "rand",
+    "projects/hiprand": "rand"
+}
+
+project_map = {
+    "prim": {
+        "cmake_options": "-DTHEROCK_ENABLE_PRIM=ON -DTHEROCK_ENABLE_ALL=OFF",
+        "project_to_test": "rocprim, rocthrust, hipcub",
+        "subtree_checkout": "projects/rocprim\nprojects/hipcub\nprojects/rocthrust",
+    },
+    "rand": {
+        "cmake_options": "-DTHEROCK_ENABLE_RAND=ON -DTHEROCK_ENABLE_ALL=OFF",
+        "project_to_test": "rocrand, hiprand",
+        "subtree_checkout": "projects/rocrand\nprojects/hiprand",
+    },
+}