Move from Akela-Plugins to keyboardio

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

README.md

@@ -105,4 +105,4 @@ functionality.
 Starting from the [example][plugin:example] is the recommended way of getting
 started with the plugin.
 
- [plugin:example]: https://github.com/Akela-Plugins/Akela-Unicode/blob/master/examples/Unicode/Unicode.ino
+ [plugin:example]: https://github.com/keyboardio/Akela-Unicode/blob/master/examples/Unicode/Unicode.ino

library.properties

@@ -5,6 +5,6 @@ maintainer=Gergely Nagy <akela@gergo.csillger.hu>
 sentence=Unicode input helpers for Keyboardio boards.
 paragraph=Provides functions to help with inputting Unicode.
 category=Communication
-url=https://github.com/Akela-Plugins/Akela-Unicode
+url=https://github.com/keyboardio/Akela-Unicode
 architectures=avr
 dot_a_linkage=true