Delete configuration entry

fix #61

- version 0.0.22

Config entry save and update - date format change

date format change in save and update config entry (now is YYYY-MM-DD)

Managing of configuration entries - release candidate

configuration entry save and update endpoints

Calendar with holidays support

Calendar support with holidays

Tenant support

tenant support based on column with tenant id

0.0.17

fixes issue #25

0.0.16

fix problem with eureka registration

v0.0.15

• loading children for given parent, type and tenant
• Configuration load (store and update - soon)
• fix getting dictionary metadata list
• update go-pg to v10.7.3

v0.0.11

small improvements and update go-pg and go-migration to newest version

• fix PUT endpoint - before it was possible to update not existent entry
• FK on parentKey in dictionary table
• SQL log now can be enabled by environment variable DICT_SHOW_SQL (make run enable it by default)