Update readme [skip ci]

README.md

@@ -1,5 +1,5 @@
 
-# <img src="build/icons/imagesharp-logo-64.png" width="52" height="52"/> ImageSharp
+# <img src="build/icons/imagesharp-logo-heading.png" alt="ImageSharp"/>
 
 **ImageSharp** is a new cross-platform 2D graphics API designed to allow the processing of images without the use of `System.Drawing`. 
 

build/icons/imagesharp-logo-heading.png

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f79e49b0965696c2106dc3654aa18ae7334e07d2e691c0b96acddb8150c25a88
+size 8609

features.md

@@ -10,13 +10,23 @@ We've achieved a lot so far and hope to do a lot more in the future. We're alway
  - [x] Bmp (Read: 32bit, 24bit, 16 bit. Write: 32bit, 24bit just now)
  - [x] Png (Read: Rgb, Rgba, Grayscale, Grayscale + alpha, Palette. Write: Rgb, Rgba, Grayscale, Grayscale + alpha, Palette) Supports interlaced decoding 
  - [x] Gif (Includes animated)
- - [ ] Tiff
+ - [ ] Tiff (Help needed)
 - **Metadata**
  - [x] EXIF Read/Write (Jpeg just now)
-- **Quantizers (IQuantizer with alpha channel support + thresholding)**
+- **Quantizers (IQuantizer with alpha channel support, dithering, and thresholding)**
  - [x] Octree
  - [x] Xiaolin Wu
  - [x] Palette
+- **DIthering (Error diffusion and Ordered)**
+ - [x] Atkinson
+ - [x] Burks
+ - [x] FloydSteinburg
+ - [x] JarvisJudiceNinke
+ - [x] Sieera2
+ - [x] Sierra3
+ - [x] SerraLite
+ - [x] Bayer
+ - [x] Ordered
 - **Basic color structs with implicit operators.**
  - [x] Color - 32bit color in RGBA order (IPackedPixel\<TPacked\>).
  - [x] Bgra32
@@ -133,5 +143,5 @@ We've achieved a lot so far and hope to do a lot more in the future. We're alway
  - [x] DrawImage
  - [ ] Gradient brush (Need help)
 - **DrawingText**
- - [x] DrawString (Single variant support just now, no italic,bold)
+ - [ ] DrawString (In-progress. Single variant support just now, no italic,bold)
 - Other stuff I haven't thought of.