Add Plausible and Pocketbase blueprints with Docker Compose and configuration

blueprints/pocketbase/template.yml

@@ -0,0 +1,12 @@
+variables:
+  main_domain: ${randomDomain}
+
+config:
+  domains:
+    - serviceName: pocketbase
+      port: 80
+      host: ${main_domain}
+
+  env: {}  # No hay variables de entorno por defecto
+
+  mounts: []  # No hay archivos para montar por defecto