Feature/chatbot secrets compatibility

[joshlavroff]

---

name: Pull Request
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title: ''
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Description of Changes
API keys for the chat component can now be loaded from a project's secrets.toml file. Keys that are entered during a session are not saved and will remain only in the sessionStorage until the app is closed.

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• New example
• Test improvement

Testing
Code has been tested against the currently present chat example in the Iris example project.

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have run my code against examples and ensured no errors
• Any dependent changes have been merged and published in downstream modules

[shivam-singhal]

@joshlavroff looks great. Can you cherry pick the relevant commits and move them to a new branch? This PR includes already merged/closed commits from weeks ago. After that, will be good to merge!

[shivam-singhal]

@joshlavroff also, can you attach a screen recording as well?

[joshlavroff]

@shivam-singhal Yes I've just opened a new PR with these fixes #630