fix(docs, tests, acme): fix: update changelog, documentation, examples and tests for v19.4.0 release. Adjust global ACME configuration to use ssl@bleu.de and add non-privileged port examples.

examples/nftables-integration.ts

@@ -5,6 +5,7 @@
  * for high-performance network routing that operates at the kernel level.
  * 
  * NOTE: This requires elevated privileges to run (sudo) as it interacts with nftables.
+ * Also shows the new v19+ global ACME configuration.
  */
 
 import { SmartProxy } from '../ts/proxies/smart-proxy/index.js';
@@ -50,15 +51,22 @@ async function simpleForwardingExample() {
 async function httpsTerminationExample() {
   console.log('Starting HTTPS termination with NFTables example...');
   
-  // Create a SmartProxy instance with an HTTPS termination route using NFTables
+  // Create a SmartProxy instance with global ACME and NFTables HTTPS termination
   const proxy = new SmartProxy({
+    // Global ACME configuration (v19+)
+    acme: {
+      email: 'ssl@bleu.de',
+      useProduction: false,
+      port: 80  // NFTables needs root, so we can use port 80
+    },
+    
     routes: [
       createNfTablesTerminateRoute('secure.example.com', {
         host: 'localhost',
         port: 8443
       }, {
         ports: 443,
-        certificate: 'auto', // Automatic certificate provisioning
+        certificate: 'auto', // Uses global ACME configuration
         tableName: 'smartproxy_https'
       })
     ],