Frontend Logging: Integrate grafana javascript agent (#50801)

Add Grafana Javascript Agent integration to Grafana

docs/sources/setup-grafana/configure-grafana/_index.md

@@ -1103,6 +1103,10 @@ Syslog tag. By default, the process's `argv[0]` is used.
 
 Sentry javascript agent is initialized. Default is `false`.
 
+### provider
+
+Defines which provider to use `sentry` or `grafana`. Default is `sentry`
+
 ### sentry_dsn
 
 Sentry DSN if you want to send events to Sentry
@@ -1123,6 +1127,22 @@ Requests per second limit enforced per an extended period, for Grafana backend l
 
 Maximum requests accepted per short interval of time for Grafana backend log ingestion endpoint, `/log`. Default is `15`.
 
+### instrumentations_errors_enabled
+
+Turn on error instrumentation. Only affects Grafana Javascript Agent.
+
+### instrumentations_console_enabled
+
+Turn on console instrumentation. Only affects Grafana Javascript Agent
+
+### instrumentations_webvitals_enabled
+
+Turn on webvitals instrumentation. Only affects Grafana Javascript Agent
+
+### api_key
+
+If `custom_endpoint` required authentication, you can set the api key here. Only relevant for Grafana Javascript Agent provider.
+
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