Background refresh child process fix

fix spawning of multiple processes for background refresh for long lived refreshes.

Worker event log handling

1. add worker for firebase event collection handling

Minor export `setProjectKey` to lib

What's Changed

• fixed missing export by @vokeio in #7

New Contributors

• @vokeio made their first contribution in #7

Full Changelog: v0.3.6...v0.3.9

Runtime refresh improvement

1. Remove runtime jwt file storing and set jwt handling fully through env context #6

• CLI will store jwt to file to manage between commands.

Thank you @vokeio for the contribution on the issue.

minor release

lock package version for dotenv

minor release readme update

v0.3.5

fix readme collection export example

minor release

minor refactor on initial event log

minor update export import to one command

add moveDocuments for import export.

minor release

add setProjectKey for runtime FIREBASE_PROJECT_KEY env variable setting.

Minor release: add transaction rollback

adds rollback method to firestore for admin accounts