Add openapi definitions and fix package.main

.vscode/settings.json

+{
+  "[markdown]": {
+    "editor.cursorSurroundingLines": 0
+  }
+}
\ No newline at end of file

index.js

@@ -47,3 +47,30 @@ function metaRoutes(app, { version, config, isServiceReady, metricsEndpoint }, r
 }
 
 module.exports = metaRoutes;
+/**
+   * GET /_version
+   * @summary Returns the version of the service
+   * @tags meta
+   * @return {string} 200 - The version of the service
+   */
+  /**
+   * GET /_config
+   * @summary Returns the configuration of the service with redacted secrets
+   * @tags meta
+   * @return {object} 200 - The configuration of the service
+   */
+  /**
+   * GET /_health
+   * @summary Returns the health of the service
+   * @description This endpoint is used to check if the service is healthy and should always return 200
+   * @tags meta
+   * @return {string} 200 - OK
+   */
+  /**
+   * GET /_ready
+   * @summary Returns the readiness of the service
+   * @description This endpoint is used to check if the service is ready and should return 200 if the service is ready to serve requests
+   * @tags meta
+   * @return {string} 200 - OK
+   * @return {string} 503 - Service Unavailable
+   */
\ No newline at end of file

package.json

 {
   "name": "@libs/metaroutes",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "Add default metaroutes to express app",
-  "main": "index.ts",
+  "main": "index.js",
   "scripts": {
     "test": "jest",
     "test:mutation": "stryker run"