add composer badges
badges
[#7] sandbox mode
[#8] Create command
Merge branch 'feature-sandbox_mode' into dev
Merge branch 'feature-command_generate_url' into dev
Generate url command have more options, and doc
[#7] Change field is_sandbox to is_test
[#7] Merge test and real service for payment url generation, add sandbox.enabled in conf
Merge branch 'dev'