chore: bump version to 0.2.0

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: fahchen

README.md

@@ -64,7 +64,7 @@ end
 ```elixir
 def deps do
   [
-    {:ecto_typed_schema, "~> 0.1"},
+    {:ecto_typed_schema, "~> 0.2"},
     {:ecto, "~> 3.10"}
   ]
 end

mix.exs

@@ -1,7 +1,7 @@
 defmodule EctoTypedSchema.MixProject do
   use Mix.Project
 
-  @version "0.1.0"
+  @version "0.2.0"
   @source_url "https://github.com/elixir-typed-structor/ecto_typed_schema"
 
   def project do