* Initial commit for Dashboards feature (#394)

* Initial Dashboard commit
- Added a DashboardPage and route
- Added basic getDashboard reducer/saga/API
- Added basic tests for dashboard page
- Cleaned up tabs component styles

* Add chart and query component to dashboard page (#403)

* Fix rebase syntax error in _layouts.scss

* Initial dashboard search (#411)

* Dummy python code

* Python updates; React App support

* Some code cleanup

* Python tests

* Add some tests

* Lint/test fix

* Update ProfilePage & My Bookmarks to new design (#416)

* Dummy python code

* Python updates; React App support

* Some code cleanup

* Python tests

* Add some tests

* Lint/test fix

* Update ProfilePage & My Bookmarks to new design

* Add some tests

* Update Dashboard Search UI (#424)

* Update UI

* Cleanup; Add some tests; Update doc

* Lint fix

* Update search payload used

* Lint fix; Test fix;

* Some last tests

* Add Dashboard Preview UI Support (#425)

* WIP

* Default loading error message; Resolve titleNode vs title

* Cleanup ducks

* Component tests

* Ducks tests

* Log exception omn file not found error

* Dashboard Bookmarks & Dashboard ProfilePage support (#427)

* Initial implementation

* Some tests; Some cleanup; Add owners

* Code cleanup; Tests

* Connect dashboard page with API (#426)

* Connected the dashboard get API
- Added several metadata fields
- Added dashboard Tables
* Added dashboard tag api
* Refactor tags to support multiple resource types
* Fixed tag refresh logic
* Removed tag extraction helper methods

* Update dashboard preview UI (#430)

* Update endpoint logic; Update ImagePreview

* Remove preview redux logic

* Tests

* Some code cleanup

* Add dashboard url to preview error message

* Switch order of People & Dashboards across search UI (#431)

* Dashboard Page Updates (#432)

* Update last run state ui; Update badge colors

* Add support for 'No owner' UI

* Add icon to DashboardPage; Add update description UI

* Update description UI according to direction from Design

* Code cleanup based on review comments

* List Item UI Updates (#433)

* Update last run state ui; Update badge colors

* Add support for 'No owner' UI

* Add icon to DashboardPage; Add update description UI

* Update description UI according to direction from Design

* Code cleanup based on review comments

* Update dashboard group css

* Center list items; Update queryitem height; Add chartitem keys

* TabsComponent border always under tabs

* Do not render ChartList if no charts

* Center UserListItem

* Add count to dashboard right panel tabs (#438)

* Cleanup: Delete unused code

* Cleanup: Remove unsued import

* Dashboard Logging Updates (#436)

* Support logging dashboard source & index; Consolidate logic into utility

* log interaction with description edit

* Update method name for a less ambiguous command name in logs

* Revert add description logging -- there is a new design

* Cleanup

* Improve coverage under DashboardPage

* Update ImagePreview; Fix imports

* Add a dashboardsummary fixture; Fix indentation

* ducks/dashboard tests

* Update application_config doc

* Added a 'beta' flag for dashboards (#441)

* Added a 'beta' flag for dashboards

* Reorder imports

* Remove config for hard coding beta tags

* Cleanup

* Dashboard -> DashboardMetadata

* Remove obsolete TODO; Use DashboardSummary schema

* Remove other TODO

* Fix python tests & lint
Co-authored-by: Daniel <dwon@lyft.com>