feat: enable metrics

apps/metrics/webapi/providers/metrics.py

@@ -1,15 +1,14 @@
 import logging
 from prometheus_fastapi_instrumentator import Instrumentator
 
-from common.config.site_settings import site_settings
-
 
 def register(app):
+    # Prometheus metric prefix is : freeleaps_metrics
     instrumentator = (
         Instrumentator().instrument(
             app,
-        metric_namespace="freeleaps-mertics",
-        metric_subsystem=site_settings.NAME)
+            metric_namespace="freeleaps",
+            metric_subsystem="metrics", )
     )
 
     @app.on_event("startup")