US-18 Option to change page language

User story

As a librarian, I want the site to be in English and Estonian so that users from different language backgrounds can access and understand the content.

Prerequisites

• Both views exist.

Acceptance criteria

• Users have the option to switch languages.
• All content on the page is available in both languages.

Sprint Ready Checklist

1. Acceptance criteria defined
2. Team understands acceptance criteria
3. Team has defined solution / steps to satisfy acceptance criteria
4. Acceptance criteria is verifiable / testable
5. External / 3rd Party dependencies identified