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/prometheus/prometheus.yml

@@ -3,8 +3,7 @@ global:
   evaluation_interval: 15s
 
 rule_files:
-  # - "first_rules.yml"
-  # - "second_rules.yml"
+  - "alert_rules.yml"
 
 scrape_configs:
   - job_name: 'prometheus'
@@ -46,4 +45,4 @@ alerting:
   alertmanagers:
     - static_configs:
         - targets:
-          # - alertmanager:9093
+          - alertmanager:9093