This link goes to 404. /imgcat should be removed

Prebuilt packages can be found at the [releases page](https://github.com/trashhalo/imgcat/readcli)

https://github.com/github/super-linter

Looking to have a red green check on pull requests

Using linux amd64 build from release 0.0.1 on Ubuntu 20.04

panic: runtime error: index out of range [1] with length 1

goroutine 1 [running]:
main.main()

url: https://www.telegraph.co.uk/travel/comment/perfect-country-anatomy-beach-forest-pubs-food/?WT.mc_id=e_DM1309383&WT.tsrc=email&etype=Edi_Edi_New_Reg&utmsource=email&utm_medium=Edi_Edi_New_Reg20201126&utm_campaign=DM1309383

observed

expected
top and bottom frames on the right to line up with the middle one that's properly framing the title of the article

On this line I am hard coding the markdown output as "dark". This may be the wrong choice for people with light backgrounds. https://github.com/trashhalo/readcli/blob/master/main.go#L30

Look into glow's source code to figure out how they are detecting terminal colors and port it to readcli. https://github.com/charmbracelet/glow