Add default 'console' and 'setup' commands to bin directory

 - Created new command files 'console' and 'setup' under the bin directory, implementing the default content typically found in Ruby Gems.
 - These commands are intended to facilitate development tasks, providing essential tools for developers working with the gem.

bin/console

@@ -0,0 +1,11 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require "bundler/setup"
+require "ocran"
+
+# You can add fixtures and/or initialization code here to make experimenting
+# with your gem easier. You can also use a different console, if you like.
+
+require "irb"
+IRB.start(__FILE__)

bin/setup

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+set -euo pipefail
+IFS=$'\n\t'
+set -vx
+
+bundle install
+
+# Do any other automated setup that you need to do here