README.md in json_model-0.1.0 vs README.md in json_model-0.1.1

@@ -1,11 +1,9 @@
 # JsonModel
 
-Welcome to your new gem! In this directory, you'll find the files you need to be able to package up your Ruby library into a gem. Put your Ruby code in the file `lib/json_model`. To experiment with that code, run `bin/console` for an interactive prompt.
+Simple persist your model data to a .json file
 
-TODO: Delete this and the text above, and describe your gem
-
 ## Installation
 
 Add this line to your application's Gemfile:
 
 ```ruby
@@ -20,16 +18,52 @@
 
     $ gem install json_model
 
 ## Usage
 
-TODO: Write usage instructions here
+book.rb
 
-## Development
+    require 'json_model'
 
-After checking out the repo, run `bin/setup` to install dependencies. Then, run `bin/console` for an interactive prompt that will allow you to experiment.
+    class Book
+      include JsonModel
 
-To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release` to create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).
+      field :name
+      field :author
+    end
+
+    # create some books
+    Book.new({name: 'Inferno', author: 'Dan Brown'}).save
+    Book.new({name: 'Das verlorene Symbol', author: 'Dan Brown'}).save
+    Book.new({name: 'Diabolus', author: 'Dan Brown'}).save
+
+    # list all books
+    puts "\n--- List all books"
+    Book.all.map{|book| puts "#{book.id} - #{book.name} by #{book.author}" }
+
+    # find a book by id
+    puts "\n--- Find book with id=1"
+    book = Book.find(1)
+    puts "Book: #{book.to_json}"
+
+    # update a book
+    puts "\n--- Update name of book with id=1"
+    book = Book.find(1)
+    book.name = 'Illuminati'
+    book.save
+    Book.all.map{|book| puts "#{book.id} - #{book.name} by #{book.author}" }
+
+    # find a book by name
+    puts "\n--- Find book by name 'Illuminati'"
+    book = Book.find_by(name: 'Illuminati')
+    puts "Book: #{book.to_json}"
+
+    # delete a book
+    puts "\n--- Delete book with Id=2"
+    book = Book.find(2)
+    book.destroy
+    Book.all.map{|book| puts "#{book.id} - #{book.name} by #{book.author}" }
+
 
 ## Contributing
 
 1. Fork it ( https://github.com/[my-github-username]/json_model/fork )
 2. Create your feature branch (`git checkout -b my-new-feature`)