readme edits

README.md

@@ -8,6 +8,7 @@ This is a simple , yet highly configurable Python script, dressed as a Docker co
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 ⚠️ By default, it stacks together only **JPG + RAW** files, taken on digital cameras. This behavior can be altered by using a [custom stacking criteria](#-customizing-the-stacking-criteria).
 
 ✨ Huge thanks to [@m3brown](https://github.com/m3brown) for adding a comprehensive stacking criteria!