Add Hysteria 2 protocol with admin domain SSL via Let's Encrypt.

Co-authored-by: Cursor <cursoragent@cursor.com>

templates/my_connections.html

@@ -117,10 +117,10 @@
                 document.getElementById('configText').textContent = result.config;
                 document.getElementById('vpnLinkText').textContent = currentVpnLink;
 
-                // Telemt (MTProxy) doesn't have a "VPN Link" (vpn://) format in Amnezia
+                // Telemt / Hysteria use share links, not vpn:// Amnezia format
                 const vpnTab = document.querySelectorAll('.config-tab')[1];
                 const vpnPanel = document.getElementById('panel-vpn');
-                if (proto === 'telemt') {
+                if (proto === 'telemt' || String(proto || '').split('__')[0] === 'hysteria') {
                     vpnTab.style.display = 'none';
                 } else {
                     vpnTab.style.display = '';