[DEV 3374] Add example for feeder load analysis

[Esaotuelr]

Description

Add example for feeder-load-analysis study and update request power factory model
Will need python eas to go in to satisfy requirement.

Associated tasks

python eas

Test Steps

local install python eas, provide a valid auth config and

Checklist

If any of these are not applicable, strikethrough the line ~like this~. Do not delete it!. Let the reviewer decide if you should have done it.

Code

• I have performed a self review of my own code (including checking issues raised when creating the PR).
  - [ ] I have added/updated unit tests for these changes, and if not I have explained why they are not necessary.
• I have commented my code in any hard-to-understand or hacky areas.
• I have handled all new warnings generated by the compiler or IDE.
• I have rebased onto the target branch (usually main).

Documentation

• I have updated the changelog.
  - [ ] I have updated any documentation required for these changes.

Breaking Changes

• I have considered if this is a breaking change and will communicate it with other team members by posting it on the Slack breaking-changes channel.

Just an example repo, shouldn't break anything.