Square-common-bl

- initialize SquareDatabaseHelper in configuration.py.
- remove app_id from greeting -> create_greeting.

**Full Changelog**: https://github.com/thepmsquare/square_common_bl/compare/1.1.0...1.2.0

add utils -> get_app_id_v0

**Full Changelog**: https://github.com/thepmsquare/square_common_bl/compare/1.0.0...1.1.0

- initial implementation.

**Full Changelog**: https://github.com/thepmsquare/square_common_bl/commits/1.0.0