191 - Convert to use index import pattern

[tmcconechy]

Explain the details for making this change. What existing problem does the pull request solve?

This PR:

• moves all mixins to ids-mixins
• sets up an index.js in ids-mixins and ids-base that can be imported
• adjusts all imports
• fixes a lint script bug
• updates some minor deps

Related github/jira issue (required):
Closes #191

Steps necessary to review your pull request (required):

• npm prune && npm i
• Pull, Build, Run!
• try the commands like npm run build and npm run start
• do quick smoke test of what you know in the demo app

Included in this Pull Request:

• An e2e or functional test for the bug or feature.

[deep7102]

Seems all fine

[EdwardCoyle]

Seems well and working to me 👍

[tmcconechy]

Found a types issue will add that...