enhance: gh-40 new design for IDP form

[wesleyboar]

Overview

Redesign the IDP form.

Related

• closes #40
• requires https://github.com/TACC/Core-Styles/pull/230
• requires https://github.com/TACC/Core-Styles/pull/227
• fixed by #57

Changes

• updated version of core-styles
• added icons (SVG files)
• added custom styles for buttons
• changed text
• fixed error markup
• changed radio buttons to be submit buttons
• removed primary submit button

Testing

1. Load form.
2. Verify form matches expected UI.
3. Verify each buttons perform the same as did the old respective radio button choice plus old single submit button.

Note I only tested №2 in situ using expected markup + locally-served assets.

HTML

```html

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UI

expected UI

Archive

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