* Update browserslist

* Add browserslistrc

* ember-cli-update --to 3.26, fix conflicts

* Run codemodes that start with ember-*

* More codemods - before cp*

* More codemods (curly data-test-*)

* WIP ember-basic-dropdown template errors

* updates ember-basic-dropdown and related deps to fix build issues

* updates basic dropdown instances to new version API

* updates more deps -- ember-template-lint is working again

* runs no-implicit-this codemod

* creates and runs no-quoteless-attributes codemod

* runs angle brackets codemod

* updates lint:hbs globs to only touch hbs files

* removes yield only templates

* creates and runs deprecated args transform

* supresses lint error for invokeAction on LinkTo component

* resolves remaining ambiguous path lint errors

* resolves simple-unless lint errors

* adds warnings for deprecated tagName arg on LinkTo components

* adds warnings for remaining curly component invocation

* upd...