Add warning if the extension doesn't have access to the TURN server endpoint

[nidhal-labidi]

Description

We want to remove the automatic opening of the options page and replace that with a warning. It will be shown until an endpoint to retrieve TURN server credentials is provided in the options page.

Links / References

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Tasks / Definition of Done

• Remove the background script responsible for opening the options page automatically upon installation.
• Add the warning to the popup.

Further information

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