Add snippet to start Gradient to the examples

Author: erszcz

examples/typed_gen_server/lib/typed_gen_server/stage1.ex

@@ -5,6 +5,9 @@ defmodule TypedGenServer.Stage1.Server do
   ## Start IEx with:
   ##   iex -S mix run --no-start
   ##
+  ## Start Gradient:
+  ##   Application.ensure_all_started(:gradient)
+  ##
   ## Then use the following to recheck the file on any change:
   ##   recompile(); Gradient.type_check_file(:code.which( TypedGenServer.Stage1.Server ), [:infer])
 

examples/typed_gen_server/lib/typed_gen_server/stage2.ex

@@ -6,6 +6,9 @@ defmodule TypedGenServer.Stage2.Server do
   ## Start IEx with:
   ##   iex -S mix run --no-start
   ##
+  ## Start Gradient:
+  ##   Application.ensure_all_started(:gradient)
+  ##
   ## Then use the following to recheck the file on any change:
   ##   recompile(); Gradient.type_check_file(:code.which( TypedGenServer.Stage2.Server ), [:infer])
 

examples/typed_gen_server/lib/typed_gen_server/stage4.ex

@@ -7,6 +7,9 @@ defmodule TypedGenServer.Stage4.Server do
   ## Start IEx with:
   ##   iex -S mix run --no-start
   ##
+  ## Start Gradient:
+  ##   Application.ensure_all_started(:gradient)
+  ##
   ## Then use the following to recheck the file on any change:
   ##   recompile(); Gradient.type_check_file(:code.which( TypedGenServer.Stage4.Server ), [:infer])