Updates to Accelerator Documentation

[oZakari]

Overview/Summary

AB#30070
AB#30071

Add clarity to Accelerator steps and transition to clone approach for remote repository.

This PR fixes/adds/changes/removes

1. Adds clarity to Accelerator documentation steps
2. Transitions to clone approach for remote repository

Breaking Changes

1. None, documentation only

Testing Evidence

N/A

As part of this Pull Request I have

• Read the Contribution Guide and ensured this PR is compliant with the guide
• Ensured the resource API versions in .bicep file/s I am adding/editing are using the latest API version possible
• Checked for duplicate Pull Requests
• Associated it with relevant GitHub Issues
• (ALZ Bicep Core Team Only) Associated it with relevant ADO Items
• Ensured my code/branch is up-to-date with the latest changes in the main branch
• Performed testing and provided evidence.
• Updated one or more of the following tests (if required)
  • Unit
  • Linting
  • E2E (End-To-End)
  • ValidateAzCloud (Base validation in Azure Cloud)
  • ValidateMcCloud (Base validation in Azure China Cloud)
• Updated relevant and associated documentation (e.g. Contribution Guide, Module READMEs, Wiki Docs etc.)
• If relevant, created or updated Code Tours here

[paulgrimley]

@oZakari one comment from me, there was an issue with my git config re main and master - could you add an optional command to set to main as part of setup

[oZakari]

@oZakari one comment from me, there was an issue with my git config re main and master - could you add an optional command to set to main as part of setup

Thanks for looking it over @paulgrimley! I've actually removed that branch rename step as I've transitioned away from initializing the repo locally and instead the steps are to just clone the repo down from GitHub/ADO so it simplifies the process quite a bit and you don't have to worry about setting of your local git installation.