Repose | Add REPOSE study symptom checks

For the REPOSE study, the symptom checks are hardcoded into the app instead of being transmitted from an HCP.

The questions are already in ReposeQuestionStoreService. Now the symptom checks are created according to the study doctors' instructions.

REPOSE Symptom Checks (= Templates)

Template name	Included questions	Frequency
Full Assessment	All questions (except ePROMS), divided into 4 blocks (= 4 separate symptom checks)	2x: At the start of the study, at the end of the study (= after 6 months)
Short Assessment	27 questions, tagged 'short-assessment'	2x: After 2 and 4 months
ePROMS	7 questions	Every Wednesday and Saturday

The Full Assessment may be completed over a period of three days. During that time, a banner should remind patients to complete the assessment (→ new Issue).

To-dos

• Clicking "Today's Questions" opens a modal with the template selection
• Only the templates that are relevant for a given day are shown, e.g. the Full Assessment is not shown on a normal day.
• Slider questions are represented as single choice questions. (Reason: The labels must be included, but the current slider component is not fit to show labels.)
• Before each clinical questionnaire (one symptom check in the app may contain several of these questionnaires), show a card with some explanatory text. The text can be found in the comments of ReposeSymptomCheckStore. The name of the questionnaire (e.g. BSI-53) is not shown. This probably means that the cards don't have headings.