README.md update

README.md

@@ -1,2 +1,12 @@
 # Image Encoder
-Script to create images from bytes
+Script to generate images from specialized methods.
+
+## Usage
+```
+./generator.py (method:str) (bytesize:int) (input_file:str)
+```
+
+## Method Examples
+
+### ascii_bin
+![ascii_bin example](ascii_bin-example.png)