add readme

Author: rafaqz

README.md

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+# TerminalGraphics
+
+[![Build Status](https://travis-ci.org/rafaqz/TerminalGraphics.jl.svg?branch=master)](https://travis-ci.org/rafaqz/TerminalGraphics.jl)
+[![Coverage Status](https://coveralls.io/repos/rafaqz/TerminalGraphics.jl/badge.svg?branch=master&service=github)](https://coveralls.io/github/rafaqz/TerminalGraphics.jl?branch=master)
+[![codecov.io](http://codecov.io/github/rafaqz/TerminalGraphics.jl/coverage.svg?branch=master)](http://codecov.io/github/rafaqz/TerminalGraphics.jl?branch=master)
+
+Convert a matrix of Real into a braile or block Unicode string, real fast.
+
+```
+pac = [0 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 0;
+       0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0;
+       0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0;
+       0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0;
+       0 0 1 1 1 1 1 1 1 0 0 1 1 1 1 1 1 1 1 0;
+       0 1 1 1 1 1 1 1 1 0 0 1 1 1 1 1 1 1 1 0;
+       0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0;
+       1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0;
+       1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0;
+       1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0;
+       1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1;
+       1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0;
+       1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0;
+       0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0;
+       0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0;
+       0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0;
+       0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0;
+       0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0;
+       0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0;
+       0 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 0]
+
+julia> print(blockize(pac))
+     ▄▄██████▄▄
+  ▄██████████████▄
+ ▄███████  ████████
+▄██████████████▀▀
+███████████▀▀
+███████████▄▄      ▀
+▀██████████████▄▄
+ ▀█████████████████
+  ▀██████████████▀
+     ▀▀██████▀▀
+```
+
+Or braile:
+
+```julia
+ghost = [1.0 0.0 1.0 0.0 1.0 0.0 1.0 0.0 1.0 0.0 1.0 0.0 1.0 0.0 1.0 0.0 1.0 0.0 1.0;
+         0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0;
+         1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0;
+         0.0 0.0 0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.0 0.0 0.0 0.0 0.0;
+         1.0 0.0 0.0 0.0 0.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.0 0.0 0.0 1.0;
+         0.0 0.0 0.0 0.0 1.0 0.0 0.0 1.0 1.0 1.0 1.0 0.0 0.0 1.0 1.0 1.0 0.0 0.0 0.0;
+         1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 1.0 0.0 0.0 0.0 0.0 1.0 1.0 0.0 0.0 1.0;
+         0.0 0.0 0.0 0.0 1.0 1.0 0.0 0.0 1.0 1.0 1.0 1.0 0.0 0.0 1.0 1.0 0.0 0.0 0.0;
+         1.0 0.0 0.0 1.0 1.0 1.0 0.0 0.0 1.0 1.0 1.0 1.0 0.0 0.0 1.0 1.0 1.0 0.0 1.0;
+         0.0 0.0 0.0 1.0 1.0 0.0 0.0 1.0 1.0 1.0 1.0 0.0 0.0 1.0 1.0 1.0 1.0 0.0 0.0;
+         1.0 0.0 0.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.0 1.0;
+         0.0 0.0 0.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.0 0.0;
+         1.0 0.0 0.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.0 1.0;
+         0.0 0.0 0.0 1.0 1.0 0.0 1.0 1.0 1.0 0.0 0.0 1.0 1.0 1.0 0.0 1.0 1.0 0.0 0.0;
+         1.0 0.0 0.0 1.0 0.0 0.0 0.0 1.0 1.0 0.0 0.0 1.0 1.0 0.0 0.0 0.0 1.0 0.0 1.0;
+         0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0;
+         1.0 0.0 1.0 0.0 1.0 0.0 1.0 0.0 1.0 0.0 1.0 0.0 1.0 0.0 1.0 0.0 1.0 0.0 1.0]
+
+
+julia> print(brailize(ghost, 0.5, 2:15, 4:17))                                                                         
+⠀⣠⣴⣶⣦⣄⠀                                                                                                                
+⣨⡄⢹⣯⡄⢹⣇                                                                                                                
+⣿⣶⣿⣿⣶⣿⣿                                                                                                                
+⠋⠈⠛⠀⠛⠁⠙                                                                                                                
+```
+
+Where 0.5 is the cutoff point, 2:15 is the y range and 4:16 is the x range.