Added health metrics for application load and database load (#2257)

* Added health metrics for application load

* Added health metrics for application load

* Fix unit tests

* Added more metrics

* Added few comments

* Added DatabaseLoad Scenario and address comments

* Fix unit tests

* fix unit tests

* Fix unit tests

* fix unit tests

* fix the mock

* Fix unit tests

package-lock.json

@@ -116,6 +116,7 @@
         "tinykeys": "2.1.0",
         "underscore": "1.12.1",
         "utility-types": "3.10.0",
+        "web-vitals": "4.2.4",
         "uuid": "9.0.0",
         "zustand": "3.5.0"
       },
@@ -35930,6 +35931,11 @@
         "defaults": "^1.0.3"
       }
     },
+    "node_modules/web-vitals": {
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/web-vitals/-/web-vitals-4.2.4.tgz",
+      "integrity": "sha512-r4DIlprAGwJ7YM11VZp4R884m0Vmgr6EAKe3P+kO0PPj3Unqyvv59rczf6UiGcb9Z8QxZVcqKNwv/g0WNdWwsw=="
+    },
     "node_modules/webidl-conversions": {
       "version": "3.0.1",
       "license": "BSD-2-Clause"