doc: created github page README.md

Signed-off-by: Nick Papior <[email protected]>

README.md

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+# buds
+
+Library for creating buds of reference counted Fortran
+objects.  
+A reference counted object will reduce memory overhead
+by ensuring that an object is deleted once no variable
+is referencing the object.
+
+## Documentation
+
+The complete documentation of buds may be found [here](http://siesta-project.github.io/buds/).
+
+## Download
+
+To download the latest buds library please see the [release page](https://github.com/siesta-project/buds/releases).
+
+## Installation
+
+The installation instructions of buds may be found [here](http://siesta-project.github.io/buds/installInstructions.html).
+