Docs: Handle Throwing Expression in SpeziLLMOpenAI.md's LLMOpenAIDemo Example

[paulhdk]

Handle Throwing Expression in SpeziLLMOpenAI.md's LLMOpenAIDemo Example

♻️ Current situation & Problem

After copying a code example from the SpeziLLM documentation, I noticed that ...

• a throwing expression wasn’t being handled. To make life eseier for future readers, add a simple do … catch for handling any exceptions that may be thrown. Also, happy to take suggestions for a more elegant way to do this!
• some imports were missing. To make life eseier for future readers, add the missing imports. I hope I didn’t miss any.
• I was getting an error around the use of @EnvironmentObject. Fix the error by substituting @EnvironmentObject with @Environment, which is also in line with the code in TestApp.

⚙️ Release Notes

• Update documentation

📚 Documentation

• Update Documentation

📝 Code of Conduct & Contributing Guidelines

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• I agree to follow the Code of Conduct and Contributing Guidelines.

[PSchmiedmayer]

Thank you @paulhdk! I have merged the different documentation branches into a single one to group them & give a single review. It think it's fine to merge them in a single PR as they all aim for the same goal 👍

I only had one hint that we could point people to ViewState to simply error handling. We don't need to add a tip for every element but we could add it in the inside code comment, e.g. like:

// Handle errors here. E.g., you can use `ViewState` and `viewStateAlert` from Spezi Views.

[PSchmiedmayer]

Thank you for the improvements; the changes look great!