feat: add API Gateway, RapidMail and Shopify integrations, update WireGuard configs, add Redis override and architecture docs

deployment/ansible/wireguard-clients/mikepc.conf

@@ -3,13 +3,13 @@
 
 [Interface]
 # Client private key
-PrivateKey = wFxqFHe4R8IVzkAQSHaAwVfwQ2rfm5vCySZMpvPsVUQ=
+PrivateKey = iDCbQUsZ2u950CIFIMFw1cYUc7dBXFjUFF8kaK4E0H4=
 
 # Client IP address in VPN network
-Address = 10.8.0.3/24
+Address = 10.8.0.5/24
 
-# DNS server (optional)
-DNS = 1.1.1.1, 8.8.8.8
+# DNS servers provided via Ansible (optional)
+DNS = 10.8.0.1
 
 [Peer]
 # Server public key
@@ -24,4 +24,4 @@ Endpoint = 94.16.110.151:51820
 AllowedIPs = 10.8.0.0/24
 
 # Keep connection alive
-PersistentKeepalive = 25
+PersistentKeepalive = 25