Change VirtualHost from port 80 to 443

Updated VirtualHost configuration to use port 443 for HTTPS.

Author: resmo

docs/implementation/quickstart.md

@@ -53,7 +53,7 @@ You can redirect to another domain like `https://jobs.example.com/just-an exampl
 === "Apache HTTPD"
 
     ```
-    <VirtualHost *:80>
+    <VirtualHost *:443>
       ServerName www.example.com
       ServerAlias example.com