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>

rtcstats/mongodb/mongodb.yml

@@ -0,0 +1,13 @@
+services:
+
+  mongodb:
+    image: mongo
+    environment:
+      MONGO_INITDB_ROOT_USERNAME: root
+      MONGO_INITDB_ROOT_PASSWORD: root
+    volumes:
+      - ./rtcstats/mongodb/data:/data/db
+    networks:
+        meet.jitsi:
+          aliases:
+            - mongodb.meet.jitsi