Add wcwidth as a dependency

It was already required - previously you'd have to manually install it
(because I'd forgotten to make the changes in this commit earlier).

1 files changed, 1 insertions, 0 deletions

diff --git a/package.json b/package.json
index 0c5975a..37cc485 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
     "node-natural-sort": "^0.8.6",
     "sanitize-filename": "^1.6.1",
     "tempy": "^0.2.1",
+    "wcwidth": "^1.0.1",
     "word-wrap": "^1.2.3"
   }
 }