Toshaan Bharvani 84aa8a622e add new guide section with gettingstarted
* add a new guide section with accordeon style
* convert about/gettingstarted to guide/gettingstarted
* change the getting started content

Signed-off-by: Toshaan Bharvani <toshaan@vantosh.com>
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gettingstarted add new guide section with gettingstarted