🚀 - Allow line height to be configured

[kedar-joshi]

Which @codeimage/* package(s) are relevant/releated to the feature request?

codeimage

Description

CodeImage is my preferred way of generating code screenshots and it's an amazing tool (so thank you so much 👍🏻).

However, sometimes I miss the ability to use custom line height for better readability. It would great if there is a was way to choose the line height for the code.