- fixed Sport Modals
- added connection for Boattype except sport column
- connected select in CheckIn
- cleaned up logs
- fixed compiling warnings

- removed process env check (already verified after transporter creation)

- added template loading from server/src/assets
	* special email html for readability across multiple mail clients
	* expressions inside {{}} are replaced by the values of the replace argument in the sendMail function
	* templates are both in txt and html for mail clients that don't support html