* Move from env variables to SiteConfig
Related to #5384
This PR only deals with the first remaining part outlined in the issue, starting to use existing SiteConfig keys instead of the env variables.
* Restore Envfile to original version for now
* set up refactored onboarding
* create onboarding page
* add in first slide and change slide functionality
* fix test suite
* profile refactor
* profile refactor
* refactor to api
* add checkbox fields
* add checkbox fields
* remove puts
* add basic css
* add styling
* add redirect
* hide back and next at first and last slides
* test refactored onboarding
* test refactored onboarding
* remove article edits
* Fix schema
* Add deleted file back in
* Add default value for checked_t&c column
* Adjust HTML structure to keep nav buttons in place
* Fix ESLint issues on Onboarding.jsx file
* Handling for undefined or empty followedTags on getUserTags
* Fix codeclimate issues
* Fix codeclimate issues
* Fix more codeclimate issues
* Fix more codeclimate issues
* Update Onboarding snapshots
* Uncheck the CoC and T&C checkboxes on render
* Update snapshots
* Return false instead of raising error
* Update spec to use new onboarding
* Redirect to onboarding if haven't seen it yet
* Prevent redirect to onboarding from /signout_confirm
* Use assign_attributes instead of saving twice
* Move COC and T&C checkbox page to second slide
* Add 'go back to original page' functionality
* Reuse ready prototype logic
* Keep track of the last visited onboarding page
* Fix email subscription bug
* Fix overflow issue for tags page
* Remove height to prevent page container scrolling
* Check for CoC and T&C for displaying onboarding
* Add InstantClick redirect and preserve referrer in client
* Fix async update + check by using localStorage
* Turn off onboarding for tests
* Finalize design for onboarding
* Finalize design for onboarding
* Make bulk follows during onboarding
* Fix bulk follow test
* Use published scope for articles
* Fix variable name
* The sequencing in the union query matters
* Fix spec
* Restore a published: true condition
* This test is actually misleading due to the union
* Revert this change, not sure why it's not a relation
* Fix useless diff
* Remove extraneous string conversion
* Add slack message for new notes
* Move status and minimize buttons to the bottom
* Add note model spec
* Remove extraneous param for reported links
* Initial automatic cleanup with rubocop
* Fix syntax error introduced by rubocop
* Cleanup seeds file
* Cleanup lib folder
* Exclude bin folder because it contains auto generated files
* Make Rubocop a little bit more chatty
* Block length should not include comments in the count
* Cleanup config folder
* Cleanup specs
* Updated Rubocop version and generated a todo file
* Fix broken ArticlesApi spec
* Fix tests
* Restored rubocop pre-commit hook
* Add comment for public controllers
* Add block policy and specs
* Add policy for authorizing dashboard
* Add follow policy and specs
* Refactor a tiny bit
* Prevent banned users from following anything
* Add a note for email sub controller about auth
* Add image upload policies
* Add policy for github repos
* Fix typo and use correct github repo variable
* Fix image uploader and use regular params
* Add authenticate_user before action back in
* Rename test
* Update slack bot message formatting and fix reported URL
* Modify sample_application.yml and write test
* Add ahrefs verification
* Add some tests around model validations
* Indent an end
* Add a few tests
* Add tests and reserved words
* Fix live articles spec typo
* Modify ga_events_controller
* Move validations from controller to model
* Add new columns to feedback message model
* Use polymorphic notes relationship
* MVP of ticketing system
* Use new URL for reported_url param
* Add missing files
* Add validations and tests for feedback_messages
* Clean up some html
* Update create spec and add update spec
* Add mail tests and lint
* Add link to user profile
