nvchecker: add ruby-nanoc and dependencies

* ruby-nanoc
* ruby-tty-which
* ruby-tty-command
* ruby-pastel
* ruby-tty-color
* ruby-colored

.repo/nvchecker.toml

@@ -724,6 +724,30 @@ use_max_tag = true
 
 # gems
 
+[ruby-nanoc]
+source = "gems"
+gems = "nanoc"
+
+[ruby-tty-which]
+source = "gems"
+gems = "tty-which"
+
+[ruby-tty-command]
+source = "gems"
+gems = "tty-command"
+
+[ruby-pastel]
+source = "gems"
+gems = "pastel"
+
+[ruby-tty-color]
+source = "gems"
+gems = "tty-color"
+
+[ruby-colored]
+source = "gems"
+gems = "colored"
+
 [ruby-nanoc-core]
 source = "gems"
 gems = "nanoc-core"