Also add some API docs.

In case Java int overflows.

Resolve "Flex maps: support null entries"

See merge request objectbox/objectbox-java!141

Therefore, introduces a separate gitlabPublishToken Gradle property to
set the token to use for publishing to the packages repo

GitLab: use OBX_READ_PACKAGES_TOKEN to read packages repo

See merge request objectbox/objectbox-java!143

Useful for embedded cluster setups that also want a local DB for
immediate persistence (like Sync clients).

…#286

Using KTS and a TOML version catalog is the new default for Android
projects, so make it the primary example.

Bumps [actions/stale](https://github.com/actions/stale) from 9.0.0 to 10.1.1.
- [Release notes](https://github.com/actions/stale/releases)
- [Changelog](https://github.com/actions/stale/blob/main/CHANGELOG.md)
- [Commits](actions/stale@28ca103...9971854)

---
updated-dependencies:
- dependency-name: actions/stale
  dependency-version: 10.1.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Add all required plugins, add missing repository declaration for plugins
syntax. Add inline instructions.

Also make TOML variant the default, move others to an alternatives
section.

Add all required plugins, add missing repository declaration for plugins
syntax. Add inline instructions.

Also make TOML variant the default, move others to an alternatives
section.

This is safe, because Maven artifacts are not published from main branch
on CI.