Add bbop-manager-golr package

[pkalita-lbl]

Fixes #13

These changes bring in the source code for bbop-manager-golr into a new workspace package. The original repo had a lot of infrastructure for spinning up local Solr instances but the configurations were quite outdate, and there was no process to keep them updated (as noted in berkeleybop/bbop-manager-golr#7). In the interest of simplifying things those tests are not being carried forward. The basic functional tests (which do not rely on running services -- local or remote) are retained.

These changes also bring in golr-conf as a workspace package. golr-conf is intended to be used in conjunction with bbop-manager-golr, and golr-conf depends on bbop-core. Therefore it makes sense to develop golr-conf in this monorepo.

Finally, the tests for both bbop-manager-golr and golr-conf previously relied on data from the amigo2 package. That package is probably a candidate for deprecation. In preparation for that the necessary data has been extracted from it and inlined as test fixtures.

[Copilot]

Pull request overview

This PR migrates the legacy bbop-manager-golr code into the monorepo, adds the companion golr-conf workspace package, and replaces old external test data with in-repo fixtures so both packages fit the monorepo’s current packaging/test pattern.

Changes:

• Adds a new golr-conf package with config wrappers, fixtures, tests, README, and package metadata.
• Adds a new bbop-manager-golr package with GOlr query/state management logic, fixtures, tests, README, and package metadata.
• Updates the root lockfile to register both new workspace packages.

Reviewed changes

Copilot reviewed 10 out of 11 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
packages/golr-conf/src/fixtures/golr-config.js	Adds inlined GOlr config fixture data used by tests.
packages/golr-conf/src/conf.test.js	Adds tests for config field/class/top-level wrapper behavior.
packages/golr-conf/src/conf.js	Adds the golr-conf runtime API for wrapping GOlr config data.
packages/golr-conf/README.md	Adds package overview and availability links.
packages/golr-conf/package.json	Adds package metadata, scripts, exports, and dependencies.
packages/bbop-manager-golr/src/manager.test.js	Adds functional tests for query building, state handling, paging, batching, and serialization.
packages/bbop-manager-golr/src/manager.js	Adds the GOlr manager implementation for URL building, callbacks, state, and downloads.
packages/bbop-manager-golr/src/fixtures/golr-config.js	Adds a focused fixture used by manager tests.
packages/bbop-manager-golr/README.md	Adds package overview and availability links.
packages/bbop-manager-golr/package.json	Adds package metadata, scripts, exports, and dependencies.
package-lock.json	Registers the new workspace packages in the lockfile.

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