Resolve "Searching in the views"

What does this mr do?

This MR adds the functionality of searching for patients/tablets/areas.

For Tablets we can filter on name (contains with ignore case) and area. For Patients we can filter on name (contains with ignore case per section of the name), area, token, and patientId. Not sure whether we want to filter on token... For Areas we can filter on name (contains with ignore case).

Closes #25 (closed) Closes #71 (closed)

Does this MR meet the acceptance criteria?

• I have added a changelog entry to reflect the significant changes I made.
• Tests were created to test the feature.
• I have updated the documentation accordingly.
• I adhere to the style guide.