Ignore .tool-versions file

ankhers · ankhers · commit 731f26f2272c · 2017-09-16T11:59:35.000-04:00
diff --git a/.gitignore b/.gitignore
@@ -5,3 +5,4 @@ erl_crash.dump
 examples/simple/mix.lock
 /db
 /doc
+.tool-versions
