Move from Akela-Plugins to keyboardio

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>

README.md

@@ -72,4 +72,4 @@ The plugin provides the `ShapeShifter` object, with the following methods:
 Starting from the [example][plugin:example] is the recommended way of getting
 started with the plugin.
 
- [plugin:example]: https://github.com/Akela-Plugins/Akela-ShapeShifter/blob/master/examples/ShapeShifter/ShapeShifter.ino
+ [plugin:example]: https://github.com/keyboardio/Akela-ShapeShifter/blob/master/examples/ShapeShifter/ShapeShifter.ino

library.properties

@@ -5,6 +5,6 @@ maintainer=Gergely Nagy <akela@gergo.csillger.hu>
 sentence=Change the shifted symbols on any key of your choice.
 paragraph=Make it possible to send a different keycode when a key is being shifted.
 category=Communication
-url=https://github.com/Akela-Plugins/Akela-ShapeShifter
+url=https://github.com/keyboardio/Akela-ShapeShifter
 architectures=avr
 dot_a_linkage=true