feat: add CrowdSec enrollment instructions notification

ansible/handlers/main.yml

@@ -3,3 +3,10 @@
   ansible.builtin.service:
     name: sshd
     state: restarted
+
+- name: Show CrowdSec enrollment instructions
+  ansible.builtin.debug:
+    msg: |
+      CrowdSec has been installed successfully!
+      Please visit https://app.crowdsec.net to complete the enrollment process
+      and get your enrollment key to connect your instance to the CrowdSec console.

ansible/tasks/crowdsec.yml

@@ -36,3 +36,4 @@
       - crowdsec
       - crowdsec-firewall-bouncer-iptables
     state: present
+  notify: Show CrowdSec enrollment instructions