rename introduction to index

mkdocs.yml

@@ -80,7 +80,6 @@ nav:
               - Aggregator usage events: ecolyo/technical/services/aggregator_usage_events.md
               - Consumption Alert: ecolyo/technical/services/consumption_alert.md
               - Enedis half hour Monthly Analysis: ecolyo/technical/services/enedis_halfhour_monthly_analysis.md
-
       - Functionalities:
           - Analysis: ecolyo/functionalities/analysis.md
           - Challenge: ecolyo/functionalities/challenge.md
@@ -97,7 +96,7 @@ nav:
           - Terms: ecolyo/functionalities/terms.md
           - Usage events tracking: ecolyo/functionalities/usage_events_tracking.md
   - Ecolyo-Agent:
-      - Introduction: ecolyo-agent/introduction.md
+      - Introduction: ecolyo-agent/index.md
       - Technical:
           - Getting started: ecolyo-agent/technical/getting_started.md
           - Deploy: ecolyo-agent/technical/deploy.md