README: updated supported stb_image and stb_image_write formats

README.md

@@ -21,9 +21,9 @@ by Jorge L. "VinoBS" Rodriguez, and stb_sprintf by Jeff Roberts.
 library    | lastest version | category | LoC | description
 --------------------- | ---- | -------- | --- | --------------------------------
 **[stb_vorbis.c](stb_vorbis.c)** | 1.21 | audio | 5569 | decode ogg vorbis files from file/memory to float/16-bit signed output
-**[stb_image.h](stb_image.h)** | 2.26 | graphics | 7762 | image loading/decoding from file/memory: JPG, PNG, TGA, BMP, PSD, GIF, HDR, PIC
+**[stb_image.h](stb_image.h)** | 2.26 | graphics | 7762 | image loading/decoding from file/memory: JPG, PNG, TGA, BMP, PSD, GIF, HDR, PIC, PNM
 **[stb_truetype.h](stb_truetype.h)** | 1.24 | graphics | 5011 | parse, decode, and rasterize characters from truetype fonts
-**[stb_image_write.h](stb_image_write.h)** | 1.15 | graphics | 1690 | image writing to disk: PNG, TGA, BMP
+**[stb_image_write.h](stb_image_write.h)** | 1.15 | graphics | 1690 | image writing to disk: PNG, TGA, BMP, JPG, HDR
 **[stb_image_resize.h](stb_image_resize.h)** | 0.96 | graphics | 2631 | resize images larger/smaller with good quality
 **[stb_rect_pack.h](stb_rect_pack.h)** | 1.00 | graphics | 628 | simple 2D rectangle packer with decent quality
 **[stb_ds.h](stb_ds.h)** | 0.66 | utility | 1893 | typesafe dynamic array and hash tables for C, will compile in C++