Add dialyxir to children apps

Temporary fix: jeremyjh/dialyxir#508 (comment)

apps/examples/mix.exs

@@ -27,7 +27,9 @@ defmodule Examples.MixProject do
   defp deps do
     [
       {:tai, in_umbrella: true},
-      {:libcluster, "~> 3.2"}
+      {:libcluster, "~> 3.2"},
+
+      {:dialyxir, "~> 1.3", only: [:dev, :test], runtime: false} # TODO: remove after dialyzer umbprella support is added
     ]
   end
 

apps/tai/mix.exs

@@ -84,7 +84,9 @@ defmodule Tai.Mixfile do
       {:logger_file_backend_with_formatters_stackdriver, "~> 0.0.4", only: [:dev, :test]},
       {:echo_boy, "~> 0.6", runtime: false, optional: true},
       {:mock, "~> 0.3", only: :test},
-      {:ex_doc, ">= 0.0.0", only: :dev}
+      {:ex_doc, ">= 0.0.0", only: :dev},
+
+      {:dialyxir, "~> 1.3", only: [:dev, :test], runtime: false} # TODO: remove after dialyzer umbrella support is added
     ]
   end
 

mix.exs

@@ -30,7 +30,7 @@ defmodule TaiMonorepo.MixProject do
     [
       {:excoveralls, "~> 0.8", only: :test},
       {:ex_unit_notifier, "~> 1.0", only: :test},
-      {:dialyxir, "~> 1.3", only: :dev, runtime: false},
+      {:dialyxir, "~> 1.3", only: [:dev, :test], runtime: false},
       {:mix_test_watch, "~> 1.0", only: :dev, runtime: false},
       {:licensir, "~> 0.6", only: :dev, runtime: false}
     ]