Add tool-versions file

adkron · adkron · commit adbd8ab49401 · 2020-03-05T13:46:17.000-06:00
It is nice to keep the versios we are using in line for our own
development.
diff --git a/.tool-versions b/.tool-versions
@@ -0,0 +1,2 @@
+elixir 1.10.2-otp-22
+erlang 22.2.8
