Added contributor.

Author: oniony

README.md

@@ -133,6 +133,7 @@ v0.8.0 (in development)
   * VFS now uses relative paths -- thanks to [foxcpp](https://github.com/foxcpp)
   * Support for Blake2b-256 fingerprints -- thanks to [foxcpp](https://github.com/foxcpp)
   * Hidden files are no longer tagged by default when tagging recursively. To include hidden files use the `--include-hidden` option -- thanks to [foxcpp](https://github.com/foxcpp)
+  * Fixes to Zsh completion -- thanks to [taiyu-len](https://github.com/taiyu-len)
 
 v0.7.3
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