config for runtime-nodejs 1.18.0 (#394)

diff --git a/release-configs/runtime-nodejs-1.18.0.config b/release-configs/runtime-nodejs-1.18.0.config
new file mode 100644
index 0000000..fdc32e4
--- /dev/null
+++ b/release-configs/runtime-nodejs-1.18.0.config
@@ -0,0 +1,15 @@
+{
+  "versioning": {
+    "version": "1.18.0",
+    "pre_release_version": "rc1"
+  },
+  "RepoList": [
+    "openwhisk-runtime-nodejs"
+  ],
+  "openwhisk_runtime_nodejs": {
+    "name": "OpenWhisk Runtime Node.js",
+    "hash": "1e107825154db9c73b386d0999eb68c5d3df7161",
+    "repository": "https://github.com/apache/openwhisk-runtime-nodejs.git",
+    "branch": "master"
+  }
+}