[CMSUI] - User preferences route

[sneridagh]

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Decide if we need to keep this, if so, implement it.
Could be the place to locate the change password lik?

[davisagli]

I would call it Settings which I see more commonly these days.

I agree it's a good place for accessing Change Password.

It should include at least:

• language (and we should use this to render the CMSUI labels, even if the content language is different)
• timezone