date range search

[bjverde]

When you find a date or datetime field, generate a search field with an included range.

• start date and end date
• start date only
• end date only

Depende de:

• https://github.com/bjverde/formDin5/issues/225
• https://github.com/bjverde/sysgenad/issues/104
• https://github.com/bjverde/sysgenad/issues/84
• https://github.com/bjverde/sysgenad/issues/108

Related with:

• https://github.com/bjverde/sysgenad/issues/103
• https://github.com/bjverde/sysgenad/issues/102
• https://github.com/bjverde/formDin5/issues/125