refactor: add elixir + phoenix skeleton

test/components_elixir_web/controllers/error_json_test.exs

@@ -0,0 +1,12 @@
+defmodule ComponentsElixirWeb.ErrorJSONTest do
+  use ComponentsElixirWeb.ConnCase, async: true
+
+  test "renders 404" do
+    assert ComponentsElixirWeb.ErrorJSON.render("404.json", %{}) == %{errors: %{detail: "Not Found"}}
+  end
+
+  test "renders 500" do
+    assert ComponentsElixirWeb.ErrorJSON.render("500.json", %{}) ==
+             %{errors: %{detail: "Internal Server Error"}}
+  end
+end