added consent mode docs to left nav

Author: WriteMayur

src/nav/browser.yml

@@ -28,6 +28,8 @@ pages:
         path: /docs/browser/new-relic-browser/configuration/browser-app-settings-page
       - title: Proxy agent code and analytics data
         path: /docs/browser/new-relic-browser/configuration/proxy-agent-requests
+      - title: Consent mode
+        path: /docs/browser/new-relic-browser/configuration/consent-mode
       - title: View browser alerts
         path: /docs/browser/new-relic-browser/configuration/view-browser-apps-alert-information
       - title: Upload source maps
@@ -168,6 +170,8 @@ pages:
         path: /docs/browser/new-relic-browser/browser-apis/addrelease
       - title: addToTrace
         path: /docs/browser/new-relic-browser/browser-apis/addtotrace
+      - title: consent
+        path: /docs/browser/new-relic-browser/browser-apis/consent
       - title: finished
         path: /docs/browser/new-relic-browser/browser-apis/finished
       - title: log