added caddy mtls proxy

Caddyfile

@@ -0,0 +1,19 @@
+{
+    debug
+}
+
+:8443 {
+    tls /certs/foo.crt /certs/foo.key {
+        client_auth {
+            mode require_and_verify
+            trusted_ca_cert_file /certs/root_ca.crt
+        }
+    }
+
+    reverse_proxy rest-server:8000 {
+        header_up Host {host}
+        header_up X-Real-IP {remote}
+        header_up X-Forwarded-For {remote}
+        header_up X-Forwarded-Proto {scheme}
+    }
+}