Fix752 Review and update translation in German

[toffyui]

Purpose

752 Review and update translation in de-Hant

Does this introduce a breaking change?

[ ] Yes
[x ] No

Pull Request Type

What kind of change does this Pull Request introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[x ] Documentation content changes
[ ] Other... Please describe:

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install

• Test the code

What to Check

Verify that the following are valid

• ...

Other Information

Exposure NotificationをExpositionsmeldungで訳しています。意味は十分伝わるはずですが、アプリの中で一種の固有名詞扱いになるかと思うので、もしアプリ上で他の表記があればそちらに統一します。