Extract skeleton updates

[arinkulshi-skylight]

Pull Request

Description

https://github.com/CDCgov/IDWA/issues/184

add structure to ingest template to local storage(see structure below) make updates to dropdown. pass data to the next page through route.

"templates": [
{
"name": "",
"description":"",
"pages": [
{
"image": "base64"
"fieldNames": []
}
]
}
]

Checklist

Please review and complete the following checklist before submitting your pull request:

• [x] I have ensured that the pull request is of a manageable size, allowing it to be reviewed within a single session.
• [x] I have reviewed my changes to ensure they are clear, concise, and well-documented.
• [x] I have updated the documentation, if applicable.
• [x] I have added or updated test cases to cover my changes, if applicable.
• [x] I have minimized the number of reviewers to include only those essential for the review.
• [x] I have notified teammates in the review thread to build awareness.

Checklist for Reviewers

Please review and complete the following checklist during the review process:

• [ ] The code follows best practices and conventions.
• [ ] The changes implement the desired functionality or fix the reported issue.
• [ ] The tests cover the new changes and pass successfully.
• [ ] Any potential edge cases or error scenarios have been considered.