[wg] reload systemd after config change

ansible/playbooks/wireguard.yml

@@ -14,6 +14,7 @@
       ansible.builtin.copy:
         src: wireguard/wg0.conf
         dest: /etc/wireguard/wg0.conf
+      notify: Reload systemd daemon
 
     - name: Get server public IP
       ansible.builtin.command: dig +short myip.opendns.com @resolver1.opendns.com
@@ -30,3 +31,8 @@
         name: wg-quick@wg0
         enabled: yes
 
+  handlers:
+    - name: Reload systemd daemon
+      ansible.builtin.command:
+        cmd: systemctl daemon-reload
+