add file among dependencies in the INSTALL guide

jaromil · jaromil · commit b6fff10c2a1f · 2020-12-16T12:52:17.000+01:00
fix dyne#396
diff --git a/INSTALL.md b/INSTALL.md
@@ -5,6 +5,7 @@
 Tomb needs a few programs to be installed on a system in order to work:
 
  * zsh
+ * file
  * sudo
  * gnupg
  * cryptsetup
