• Added sub-charts for Helm deployment.
• Added special vatiables environment to keep it outside of GIT.
• Added CORS handling.
• Managed system signals to be ignored.
• Added the possibility to use multiple database drivers.
• Added Prometheus monitoring package.
• Used gRPC gateway v2 and OpenApi v2 instead of swagger
• Redesigned dev/prod envs in Makefile.
• Updated Go version and packages.
• Fixed issue #27 (@takama)
• Updated protoc #37 (@takama)
• Added OpenAPI Swagger UI #38 (@takama)