Add HEIC/HEIF to README

drewnoakes · web-flow · commit 2ac06d37c0a7 · 2024-01-07T22:58:17.000+11:00
As pointed out in #631, the README doesn't mention HEIF/HEIC support as it should.
diff --git a/README.md b/README.md
@@ -61,6 +61,7 @@ It will process files of type:
 * PNG
 * BMP
 * GIF
+* HEIF / HEIC
 * ICO
 * PCX
 * QuickTime
