.lst file extension add

[SniperBlais]

The software I use outputs as a .lst file. I love the features f this extension but it doesn't natively support the files type. But no other extension do either!

[github-actions]

Hello and welcome! Thanks for creating your first issue! Someone from our community will get back to you soon!

[mikecentola]

Easy to add to v0.8! I will get it in the roadmap.