Update link on Instagram Scraper page on DMI website

[jwyg]

The link to "launch tool" on DMI website tool section https://wiki.digitalmethods.net/Dmi/ToolInstagramScraper could be updated to point to this repository.

Current behaviour

Currently links to: https://tools.digitalmethods.net/beta/instagramLoader/

Expected behaviour

One would expect this to link to: https://github.com/digitalmethodsinitiative/dmi-instascraper or https://github.com/digitalmethodsinitiative/dmi-instascraper/releases