chore: update Tipi website, demo and source code urls (#3728)

README.md

@@ -1756,7 +1756,7 @@ Software for easy installation, management and configuration of self-hosted serv
 - [Sandstorm](https://sandstorm.io/) - Personal server for running self-hosted apps easily and securely. ([Demo](https://demo.sandstorm.io/), [Source Code](https://github.com/sandstorm-io/sandstorm)) `Apache-2.0` `C++/Other`
 - [sovereign](https://github.com/sovereign/sovereign) - Set of Ansible playbooks to build and maintain your own private cloud: email, calendar, contacts, file sync, IRC bouncer, VPN, and more. `GPL-3.0` `YAML/Other`
 - [Syncloud](https://syncloud.org/) - Your own online file storage, social network or email server. ([Source Code](https://github.com/syncloud/platform)) `GPL-3.0` `Python/Other`
-- [Tipi](https://github.com/meienberger/runtipi) - Homeserver manager. One command setup, one click installs for your favorites self-hosted apps. ([Demo](https://demo.runtipi.com)) `GPL-3.0` `Shell`
+- [Tipi](https://runtipi.io/) - Homeserver manager. One command setup, one click installs for your favorites self-hosted apps. ([Demo](https://demo.runtipi.io), [Source Code](https://github.com/meienberger/runtipi)) `GPL-3.0` `Shell`
 - [UBOS](https://ubos.net/) - Linux distro that runs on indie boxes (personal servers and IoT devices). Single-command installation and management of apps - Jenkins, Mediawiki, Owncloud, WordPress, etc., and other features. `GPL-3.0` `Perl/Other`
 - [VivumLab](https://vivumlab.com) - An open-source data-center, owned by you, the user. VivumLab deploys web services to a server. ([Source Code](https://github.com/VivumLab/VivumLab)) `MIT` `Docker/Shell`
 - [WikiSuite](https://wikisuite.org) - The most comprehensive and integrated Free / Libre / Open Source enterprise software suite. ([Source Code](https://wikisuite.org/Source-Code)) `GPL-3.0/LGPL-2.1/Apache-2.0/MPL-2.0/MPL-1.1/MIT/AGPL-3.0` `ClearOS`