* feat: Make "Pages & Resources" course apps into plugins
* feat: move ora_settings
* feat: move proctoring
* feat: move progress
* feat: move teams
* feat: move wiki
* feat: move Xpert settings
* fix: add webpack.prod.config.js
* fix: clean up unused parts of package.json files
* feat: Add an error message when displaying a Course App Plugin fails
* chore: fix various eslint warnings
* chore: fix jest tests
* fix: error preventing "npm ci" from working
* feat: better tests for <SettingsComponent>
* chore: move xpert_unit_summary into same dir as other plugins
* fix: eslint-import-resolver-webpack is a dev dependency
* chore: move learning_assistant to be a plugin too
* feat: for compatibility, install 2U plugins by default
* fix: bug with learning_assistant package.json
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