feat: integrate Uptime Kuma and Alertmanager into Docker setup

- Add Uptime Kuma service for status monitoring with health checks.
- Introduce Alertmanager service for alert management and notifications.
- Update docker-compose.yml to include new services and their configurations.
- Enhance Makefile with commands for managing Uptime Kuma and Alertmanager logs.
- Modify Ansible playbook to install necessary packages and configure SSL for new services.
- Update Nginx configuration to route traffic to Uptime Kuma and Alertmanager.
- Adjust Prometheus configuration to include alert rules and external URLs.

infra/grafana/provisioning/datasources/prometheus.yml

@@ -4,5 +4,13 @@ datasources:
   - name: Prometheus
     type: prometheus
     access: proxy
-    url: http://prometheus:9090
+    url: http://prometheus:9090/prometheus
     isDefault: true
+    jsonData:
+      httpMethod: POST
+      manageAlerts: true
+      prometheusType: Prometheus
+      prometheusVersion: 2.40.0
+      cacheLevel: 'High'
+      disableRecordingRules: false
+      incrementalQueryOverlapWindow: 10m