Add Setup section to README

README.md

@@ -2,6 +2,13 @@
 
 Simple Benchmark for Metka gem
 
+## Setup
+
+- run `bundle install` to install required gems
+- configure your database connection with `config/database.yml` as you prefer
+- create your database with `bundle exec rails db:create` if you haven't decided to use present database on previous step
+- run all migrations with `bundle exec rails db:migrate`
+
 ## Usage
 
 Simply run `$ bundle exec rake bench:all` to run all available benchmarks in order