Migration of rocshmem (#2742)

.github/repos-config.json

@@ -152,6 +152,15 @@
       "auto_subtree_pull": false,
       "auto_subtree_push": true,
       "monorepo_source_of_truth": true
+    },
+        {
+      "name": "rocshmem",
+      "url": "ROCm/rocshmem",
+      "branch": "develop",
+      "category": "projects",
+      "auto_subtree_pull": false,
+      "auto_subtree_push": true,
+      "monorepo_source_of_truth": true
     }
   ]
 }