chore: Update docs and use release scripts from toys git (#69)

Signed-off-by: Daniel Azuma <[email protected]>

Author: dazuma

.toys/.toys.rb

@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+toys_version! ">= 0.12.1"
+
 expand :clean, paths: :gitignore
 
 expand :minitest, libs: ["lib"], bundler: true
@@ -16,3 +18,5 @@
 expand :gem_build
 
 expand :gem_build, name: "install", install_gem: true
+
+load_git remote: "https://github.com/dazuma/toys.git", path: ".toys/release", as: "release"