📖 [ISSUE-4414] Fix typo in getting-started.md

[jameskim0987]

Fixes #4414

Changes made in this PR:

1. The following sentence in getting-started.md:
   To do it we are will use refer markers, such as ...

   has been fixed to:
   To achieve this, we will use markers such as ...

[linux-foundation-easycla]

• ✅login: jameskim0987 / (7a4f5f2)

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[camilamacedo86]

/lgtm
/ok-to-test
/approve

Thank you 🥇

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: camilamacedo86, jameskim0987

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