Update info.yaml format info

info.yaml-format-info.md

@@ -117,6 +117,7 @@ in its fullest form, a single image is a pair of a label and an object containin
     download: qtpats.svg
     nsfw: false
     warning: null
+    resize: true
 ```
 
 all the subfields except `path` are optional, and when they are all left out, then the value of the pair can be just the bare path:
@@ -125,6 +126,8 @@ all the subfields except `path` are optional, and when they are all left out, th
 - transparent: taurex-t.png
 ```
 
+if the `resize` field is false, then don't resize that image for the `_med` and `_big` variants. (because imagemagick cannot deal with animated webp.)
+
 the label is *also* optional. if it's left out then it's taken from the path, with the extension removed and all _ and - replaced with spaces:
 
 ```yaml