Add PowerSync DB Collection (#747)

* wip: PowerSync collections

* Add support for transactions with multiple collection types

* Optimize transaction waiting

* Improve test stability

* Improve cleanup behaviour

* Add rollback test

* update dependencies

* Add live query test

* Add docs for PowerSync collection

* Add Changeset

* Added schema conversion and validation

* ensure observers are ready before proceeding with mutations

* Add logging

* Implement batching during initial sync

* Update log messages. Avoid requirement for NPM install scripts.

* Schemas Step 1: Infer types from PowerSync schema table.

* Support input schema validations with Zod

* update readme

* Update doc comments. Code cleanup.

* More doc cleanup

* README cleanup

* Cleanup tests

* Update PowerSync dependencies

* Properly constrain types

* Allow custom input schema types

* Support better schema type conversions

* docuement deserialization errors

* Fix typo in READMe

* Add type to README example

* update PowerSync packages

* set author to POWERSYNC

* rename serlization.ts → serialization.ts

* use MIT license

Author: stevensJourney

.changeset/dark-items-dig.md

@@ -0,0 +1,5 @@
+---
+"@tanstack/powersync-db-collection": minor
+---
+
+Initial Release