fixed the lint issue

add the mock terminal

Refactor the code to match the oop mode for easy mock and test

add the fit options to scale the image to fit the screen

Fxied the fetched wrong image width and height issue

add reverse options

add convert examples

Revert "add parallel convert"

This reverts commit 6ee682ae1c41bfd64968d71334d72b52c8d29ca3.

add parallel convert

Add some comments

Add ScaleImage and Image2ASCII benchmark

rename hasky to husky

Add some convert to fixed the lint issue

fixed test

fixed the issue

add main test case

add convert test case

add scale image example

add scale image test cases

add convert package testdata