* add `onFound` callback to schemas

* add warning to method docs (for #4957)

* implement Docker OAuth2 init block support

* update docs

* add OAUTH_SCOPE_SEPARATOR

* drop OAuth env from Dockerfile and run script

* don't indent the first oauth block line

* drop unused `dedent` import

* touch up warning message

* add more test cases

* return an empty block if no OAuth content is generated

* fix broken doc line

* allow legacy values to override base values

* add `onFound` callback to schemas
* add warning to method docs (for #4957)
* implement Docker OAuth2 init block support
* update docs
* add OAUTH_SCOPE_SEPARATOR
* drop OAuth env from Dockerfile and run script
* don't indent the first oauth block line
* drop unused `dedent` import
* touch up warning message
* add more test cases
* return an empty block if no OAuth content is generated
* fix broken doc line

* reorganize docker things

* Configurator WIP

* implement Docker runtime config generator

* add tests

* update documentation

* fix Markdown tables

* Move Docker section

* add note to README

* move up `nodejs` install for more aggressive caching

* drop exclusive test

* fix missing `DISPLAY_OPERATION_ID`