Use sysctl to enable p2p comms

ansible/roles/gateway/tasks/wireguard.yml

@@ -35,3 +35,12 @@
   loop: "{{ wireguard.clients|dict2items }}"
   loop_control:
     label: "{{ item.key }}"
+
+- name: Enable p2p communication
+  sysctl:
+    name: net.ipv4.ip_forward
+    value: '1'
+    sysctl_set: yes
+    state: present
+    reload: yes
+  become: true