doing a facelift for timezone command

Cargo.toml

@@ -23,6 +23,7 @@ serde = "1.0"
 serde_json = "1.0"
 rand = "0.7"
 Inflector = "0.11"
+levenshtein = "1.0.4"
 
 [dependencies.serenity]
 git = "https://github.com/jellywx/serenity"