Add mood component, add mood as tracking category to db schemas, add mood category description, add mood to the cycle-day-overview

Issue: 178

- issue: 127
- by: sg

- issue: 127
- by: sg

- issue: 127
- by: sg

* Offers tracking sex activities and contraceptives as much as you want
* "Other" contraceptive allows to specify with text input

This reverts commit f7efadb0.

has 3 properties: opening, firmness and position (which is optional);