SPR-168 Download all files

[dbarkowsky]

Description

This PR includes the following proposed change(s):

• Completed API route to download all files from a record
• Added an option in the UI to call this route.
• Uses JSZip to combine all the existing files.

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Refactoring / Documentation
• Version change
• Dependencies added/removed

Aspect(s) of Project Affected

• Frontend
• API
• Database
• Workflows
• Documentation

Best Practices Checklist

• I have performed a self-review of my own code
• My code follows the Airbnb React Style Guidelines
• Documentation has been updated to reflect my changes
• New and existing tests pass locally with my changes

How Has This Been Tested?

Please describe the tests that you ran to verify your changes.
Tested against local builds. Manually downloading files.

[codeclimate]

Code Climate has analyzed commit 79d52d8 and detected 1 issue on this pull request.

Here's the issue category breakdown:

Category	Count
Complexity	1

The test coverage on the diff in this pull request is 100.0% (90% is the threshold).

This pull request will bring the total coverage in the repository to 100.0%.

View more on Code Climate.