Fixed tag input being too small and unable to fit a CIDR (#483)

Co-authored-by: 0xCA <undefined>

templates/server.html

@@ -167,6 +167,7 @@ Wireguard Server Settings
             'defaultText': 'Add More',
             'removeWithBackspace': true,
             'minChars': 0,
+            'minInputWidth': '100%',
             'placeholderColor': '#666666'
         });