Added documentation for profile tooling

[kuqin12]

Preface

Please ensure you have read the contribution docs prior to submitting the pull request. In particular, pull request guidelines.

Description

This change added a few sections describing the process of profile CSV creation and how to integrate them into the platform build process.

In addition, this change also adds the documentation for newly introduced profile name and ID. Specifically, the data flow in firmware and platform integration steps are described in the doc.

Resolves https://github.com/microsoft/mu_feature_config/issues/241

For each item, place an "x" in between [ and ] if true. Example: [x]. (you can also check items in the GitHub UI)

• [ ] Impacts functionality?
  • Functionality - Does the change ultimately impact how firmware functions?
  • Examples: Add a new library, publish a new PPI, update an algorithm, ...
• [ ] Impacts security?
  • Security - Does the change have a direct security impact on an application, flow, or firmware?
  • Examples: Crypto algorithm change, buffer overflow fix, parameter validation improvement, ...
• [ ] Breaking change?
  • Breaking change - Will anyone consuming this change experience a break in build or boot behavior?
  • Examples: Add a new library class, move a module to a different repo, call a function in a new library class in a pre-existing module, ...
• [ ] Includes tests?
  • Tests - Does the change include any explicit test code?
  • Examples: Unit tests, integration tests, robot tests, ...
• [x] Includes documentation?
  • Documentation - Does the change contain explicit documentation additions outside direct code modifications (and comments)?
  • Examples: Update readme file, add feature readme file, link to documentation on an a separate Web page, ...

How This Was Tested

N/A. Documentation change only.

Integration Instructions

N/A

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (6db4dba) 27.39% compared to head (75bfa76) 27.39%.

:exclamation: Current head 75bfa76 differs from pull request most recent head 53566ed. Consider uploading reports for the commit 53566ed to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #269 +/- ## ======================================= Coverage 27.39% 27.39% ======================================= Files 16 16 Lines 4552 4552 ======================================= Hits 1247 1247 Misses 3305 3305 ``` | [Flag](https://app.codecov.io/gh/microsoft/mu_feature_config/pull/269/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=microsoft) | Coverage Δ | | |---|---|---| | [Linux](https://app.codecov.io/gh/microsoft/mu_feature_config/pull/269/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=microsoft) | `27.39% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=microsoft#carryforward-flags-in-the-pull-request-comment) to find out more.

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