add formatter config

mobileoverlord · mobileoverlord · commit 3f186ae43bef · 2018-02-11T10:03:55.000-05:00
diff --git a/.formatter.exs b/.formatter.exs
@@ -0,0 +1,4 @@
+# Used by "mix format"
+[
+  inputs: ["mix.exs", "{config,lib,test}/**/*.{ex,exs}"]
+]
