GitLab

* Tooltips added to show full model name and warning regarding vector storage
* Send toast error and return early if more than a single front slash is detected
* Extend toast duration for model update action
* Add i18n en_US translation
* Remove commented code copied from existing function

Updated all translations to have a Dutch translation.

Translation values for en-US are not necessary, the keys will be
used as fallback.

- `Modelfile` is a proprietary term of Ollama. `模型文件` is the Simplified Chinese translation used in their community but not common used in zh-TW community.
- `Prompt`'s better zh-TW translation is `提示詞`（refert to https://docs.aws.amazon.com/zh_tw/bedrock/latest/userguide/what-is-prompt-engineering.html ） instead of `提示`, which is easily misunderstood as a verb `建議`

This reverts commit b21091bc.