duply: update homepage

[chenrui333]

duply: update homepage

 > curl -I http://duply.net
HTTP/1.1 301 Moved Permanently
Date: Wed, 22 Apr 2026 14:17:36 GMT
Server: Apache
Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
X-Content-Type-Options: nosniff
X-Powered-By: PHP/8.4.10
X-Content-Type-Options: nosniff
Vary: Accept-Encoding,Cookie
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Cache-Control: private, must-revalidate, max-age=0
Last-Modified: Wed, 22 Apr 2026 14:17:36 GMT
Location: http://duply.net/Main_Page
X-Request-Id: b0a37c770d051c5b45d9cd10
Content-Type: text/html; charset=UTF-8

> curl -I http://duply.net/Main_Page
HTTP/1.1 200 OK
Date: Wed, 22 Apr 2026 14:17:41 GMT
Server: Apache
Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
X-Content-Type-Options: nosniff
X-Powered-By: PHP/8.4.10
X-Content-Type-Options: nosniff
Content-language: en
Vary: Accept-Encoding,Cookie
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Cache-Control: no-cache, no-store, max-age=0, must-revalidate
Content-Length: 27074
X-Request-Id: 43983a63e8bf5865b411fb52
Content-Type: text/html; charset=UTF-8

[daeho-ro]

I think we can use https.
BTW, it is eventually landed to https://duply.net/Duply_(simple_duplicity) should we use this?