When database is set to False in config, create

[katkad]

and use only dork database

This should fix https://github.com/glastopf/glastopf/issues/245

[landscape-bot]

Repository health increased by 0.21% when pulling 353eda7 on CZ-NIC:no_database into e5cfdbe on glastopf:master.

• No new problems were introduced.
• 1 problem was fixed (including 1 error and 0 code smells).

[landscape-bot]

Repository health increased by 0.22% when pulling 5994b20 on CZ-NIC:no_database into e5cfdbe on glastopf:master.

• No new problems were introduced.
• 1 problem was fixed (including 1 error and 0 code smells).