feat(rtcstats): add rtcstats support (#2116)

* feat(rtcstats): add rtcstats support

* chore(rtcstats): update users.json to use placeholder password

* chore(rtcstats): update RTCSTATS_STORE_LOGS in env.example

* chore(rtcstats): add expose ports

* feat(rtcstats): add mongodb support

* docs(rtcstats): add readme for mongodb integration

* chore(rtcstats): fix readme

* feat(rtcstats): add grafana dashboard for prometheus metrics

* chore(rtcstats): update readme

* chore(rtcstats): fix readme

* chore(rtcstats): add troubleshooting to localstack readme

* fix(rtcstats): improve accuracy of dashboard graphs

* fix(rtcstats): fix typo in dashboard display name

* fix(rtcstats): simplify and clean up localstack configuration

* docs(rtcstats): improve localstack readme

---------

Co-authored-by: Andrei Gavrilescu <51706180+andrei-gavrilescu@users.noreply.github.com>

env.example

@@ -82,6 +82,21 @@ TZ=UTC
 # Set etherpad-lite public URL, including /p/ pad path fragment (uncomment to enable)
 #ETHERPAD_PUBLIC_URL=https://etherpad.my.domain/p/
 
+#
+# rtcstats integration
+#
+
+# Enable rtcstats analytics (uncomment to enable)
+#RTCSTATS_ENABLED=true
+
+# Send the console logs to the rtcstats server
+#RTCSTATS_STORE_LOGS=true
+
+# The interval at which rtcstats will poll getStats, defaults to 10000ms.
+#RTCSTATS_POLL_INTERVAL=10000
+
+# Send the SDP to the rtcstats server
+#RTCSTATS_SEND_SDP=true
 
 #
 # Whiteboard integration