Update documentation to include TGS and Lottie formats

Co-authored-by: emako <24737061+emako@users.noreply.github.com>

Author: Copilot

SUPPORTED_FORMATS.md

@@ -37,6 +37,7 @@
 - `.jxl` (JPEG XL)
 - `.jxr` (JPEG XR)
 - `.k25`, `.kdc` (Kodak RAW image)
+- `.lottie` (Lottie animation)
 - `.mdc` (MagicDraw UML)
 - `.mef` (Mamiya RAW image)
 - `.mos` (Leaf RAW image)
@@ -60,7 +61,9 @@
 - `.rw2`, `.rwl`, `.rwz` (Panasonic/Leica RAW image)
 - `.sr2`, `.srf`, `.srw` (Sony RAW image)
 - `.svg`, `.svgz` (Scalable Vector Graphics)
+- `.svga` (SVGA animation)
 - `.tga` (Truevision TGA)
+- `.tgs` (Telegram sticker, Lottie animation)
 - `.tif`, `.tiff` (Tagged Image File Format)
 - `.wdp` (Windows Media Photo)
 - `.webp` (WebP image)