Create README.md

README.md

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+# Rebol/Blend2D
+
+[Blend2D](https://github.com/blend2d/blend2d) extension for [Rebol3](https://github.com/Siskin-framework/Rebol) (drawing dialect)
+
+## Usage
+
+This extension requires Oldes' version of *Rebol* language interpreter, which can be downloaded [here](https://github.com/Siskin-framework/Rebol/releases).
+To use Bland2D's `draw` dialect, the extension must be loaded using:
+```rebol
+import %blend2d-x64.rebx
+```
+Once the module is imported, the new `draw` function may be used to draw into any image.
+```rebol
+>> help draw
+USAGE:
+     DRAW image commands
+
+DESCRIPTION:
+     Draws scalable vector graphics to an image.
+     DRAW is a command! value.
+
+ARGUMENTS:
+     image         [image! pair!]
+     commands      [block!]
+```
+
+The dialect is similar but not exactly same like the [original Rebol2 implementation](http://www.rebol.com/r3/docs/view/draw.html) or [Red language draw](https://github.com/red/docs/blob/master/en/draw.adoc).
+Not all commands are implemented... it was more considered as a proof of concept.
+
+**For some code examples, visit [test/README.md](test/README.md).**