Populate cards from institutions data

[gmrabian]

Summary

• Add an institutions utility that makes fetching and parsing the data easier on the components
• Add tests
• Move dynamodb-libs to libs/ folders

Fixes #24

Type of change

• [x] New feature (non-breaking change which adds functionality)

How To Test

• Export AWS credentials in your terminal
• Run yarn dev
• Load localhost:3000/
• Verify it shows a handful of cards with data from the database

Checklist:

• [x] My code follows the style guidelines of this project and has no linting errors
• [x] I have performed a self-review of my code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation, including any applicable ADRs
• [x] My changes generate no new warnings
• [x] I have added tests that fail without these changes
• [x] New and existing tests (unit, integration, accessibility) pass locally
• [ ] Documentation updated
• [ ] If there are security concerns they are addressed or ticketed after being discussed

[gmrabian]

Need help with the failing HomePage tests

[codeclimate[bot]]

Code Climate has analyzed commit 0dac4842 and detected 0 issues on this pull request.

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% (0.0% change).

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