docs: Updated the documentation to use new lexicon - Fixes #28

[CynthiaPeter]

- What I did This PR fixes issues with #28

- How I did it I updated the terms with new lexicons. @platform to atPlatform. @sign to atSign secondary server to atServer root server to atDirectory

- How to verify it

- Description for the changelog

Updated the documentation to use the new lexicon.

[cpswan]

@CynthiaPeter when do you expect to be able to make the changes I requested a couple of weeks ago?

[CynthiaPeter]

Oh, I missed this. I’ll get to it now.

Apologies.

On Mon, 6 Feb 2023 at 17:19, Chris Swan @.***> wrote:

@CynthiaPeter https://github.com/CynthiaPeter when do you expect to be able to make the changes I requested a couple of weeks ago?

— Reply to this email directly, view it on GitHub https://github.com/atsign-foundation/at_protocol/pull/34#issuecomment-1419353591, or unsubscribe https://github.com/notifications/unsubscribe-auth/AIAG7VFXAI4QJ6NPGNNUFNDWWEQB5ANCNFSM6AAAAAAUFKFS6I . You are receiving this because you were mentioned.Message ID: @.***>

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[XavierChanth]

@cpswan please merge and close #28 if you are happy with the changes

[cpswan]

Thanks @CynthiaPeter :)

[CynthiaPeter]

Thank you, @cpswan.

I'm sorry for missing the feedback and dragging the PR for weeks.