[#513] Gem Skeleton
[#513] Add rspec
[#513] Add initialize and attr_accessor
[#513] Add hello_world, search_banks_by_bank_name and post method
[#513] Change .gitignore to ignore dev_config.yml for specs
[#513] Implement dev_config.yml
[#513] Add create_request4 method
[#513] Update README.md
[#513] Add dev config template
[#513] Correct licence file
[#513] Implement dev.rb and update readme