Rollback database creation change

[0.6] - 2020-09-18

Bug fixes

• Rollback contributed change, as it will delete the database on existing systems

Fix for issues #4 and #6 and patch contribution from 3v1n0

Added

• Patch from @3v1n0 to prevent database not being initialized if the plugin is aborted on intial startup PR3

Bug fixes

• Fix for permissions on docker entrypoint #6
• Documentation update for tuyagateway upgrade instructions #4