Add copy icon

CHANGELOG.md

@@ -8,9 +8,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## TODO
 
-- `paper-airplane`
 - `copy`
-- `shop`
 
 
 ### Added

icons/core/copy.svg

+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24">
+    <rect x="9" y="2" width="13" height="13" rx="2" ry="2" fill="none" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"/>
+    <path d="M9 9H4a2 2 0 0 0-2 2v9a2 2 0 0 0 2 2h9a2 2 0 0 0 2-2v-5" fill="none" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"/>
+</svg>