Add documentation for websockets certificate errors

[iansvo]

Related Issue/RFC: #290

Description of the Change

Adds documentation to help resolve websocket certificate errors in some scenarios.

#290

Verification Process

This is a documentation only change. I'm happy to have the wording/grammar adjusted as appropriate if I missed something.

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.

[changeset-bot]

⚠️ No Changeset found

Latest commit: da338c5

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[iansvo]

Let me know if this should include a changeset, I wasn't sure if that made sense for a documentation only PR or not.

[iansvo]

@nicholasio @Antonio-Laguna Do I need to set up a changeset for a readme only?

[nicholasio]

No need for a changeset, thanks!