Send Instagram statistics to Mattermost

This worflow let us know main stat on our Instagram : this is the first i share with community as i am a beginner :) Every morning i know how many follower we have, how many posts have been made. I use a fantastic tool which is : https://socialblade.com and also : https://martechwithme.com/monitoring-youtube-channels-subscribers-with-google-sheets/ to send them to Google Sheets Hope this could help :) This can be improved for sure, so i will be very pleased to have your comments thanks French version : :) Ce schéma permet d'avoir les statistiques de notre Instagram : combien de followers et combien de posts ont été réalisés. Ces données sont publiées sur MAttermost. J'utilise un outil génial

Help me set up the n8n workflow "Send Instagram statistics to Mattermost" (https://n8n.io/workflows/812). It uses: Google Sheets, Mattermost. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.