docs: 📚 update readme

README.md

@@ -1,14 +1,33 @@
 # OpenImageIO for ComfyUI
 
-Basic set of nodes for proper color management using [OpenImageIO](https://github.com/AcademySoftwareFoundation/OpenImageIO) 
+Basic set of nodes for proper color management using [OpenImageIO](https://github.com/AcademySoftwareFoundation/OpenImageIO)   
+This is initially meant as a companion for a "private" fork of [ComfyUI for Nuke](https://github.com/vinavfx/ComfyUI-for-Nuke).
 
 **Nodes:**
 - Load Image (oiio)
 - Colorspace Convert (oiio)
 - Save Image (oiio)
 
+## Installation
+
+If you want to use a custom OCIO config, set the `OCIO` environment variable before starting ComfyUI.
+
+```sh
+pip install -r requirements.txt
+```
+
+## Features
+
+- [x] Basic I/O with colorspace support.  
+  *BMP, Cineon, DDS, DICOM, **DPX**, FITS, GIF, HDR/RGBE, HEIF/HEIC/AVIF, ICO, IFF, JPEG, JPEG-2000, JPEG XL, Movie formats (using ffmpeg), Null format, **OpenEXR**, OpenVDB, PNG, PNM / Netpbm, PSD, Ptex, RAW digital camera files, RLA, SGI, Softimage PIC, Targa, Term (Terminal), TIFF, Webp, Zfile*
+- [x] Colorspace converter node
+- [ ] Basic metadata reading/writting (and for formats that comfy support `prompt` & `extrapng_info`)
+- [ ] DITs? Not sure how to properly translate that but maybe just force `sRGB (D60)` and add preview on nodes?
+
+
 ## Preview
 ![image](https://github.com/user-attachments/assets/a6c19322-787d-41ee-9932-545f71b457fb)
 
 ## Contribute / Feedback
 Don't hesitate to PR or [open issues](https://github.com/melMass/comfy_oiio/issues/new/choose)
+