Add German Translation

🚀 Feature Request

Summary

Translate the application into German based on the multilingual feature.

Problem to Solve / User Story

As a German-speaking Constrainify user, I want to use the application in German so that I can navigate and interact with it more comfortably in my native language.

Proposed Solution

• Setup weblate for a translator
• Create German translations for all texts.

Benefits

• Expands the application's accessibility for German-speaking users.

Possible Drawbacks

• Requires ongoing maintenance for translation updates.
• Might introduce inconsistencies if not regularly reviewed.

Requirements or Dependencies

• Requires multilingualism support (#48)