update to https

README.md

@@ -6,7 +6,7 @@
 
     "Your own personal Way-Back Machine"
 
-💻 [Demo](https://archive.sweeting.me) | [Website](http://archivebox.io/) | [Source](https://github.com/pirate/ArchiveBox/tree/master) | [Changelog](https://github.com/pirate/ArchiveBox/wiki/Changelog) | [Roadmap](https://github.com/pirate/ArchiveBox/wiki/Roadmap)
+💻 [Demo](https://archive.sweeting.me) | [Website](https://archivebox.io/) | [Source](https://github.com/pirate/ArchiveBox/tree/master) | [Changelog](https://github.com/pirate/ArchiveBox/wiki/Changelog) | [Roadmap](https://github.com/pirate/ArchiveBox/wiki/Roadmap)
 
 ▶️ [Quickstart](https://github.com/pirate/ArchiveBox/wiki/Quickstart) | [Details](https://github.com/pirate/ArchiveBox/wiki) | [Configuration](https://github.com/pirate/ArchiveBox/wiki/Configuration) | [Troubleshooting](https://github.com/pirate/ArchiveBox/wiki/Troubleshooting)