[gemini] gemini supports lazy init (#3379)

* [gemini] fix nvme optimizer init

* [gemini] gemini supports lazy init

* [gemini] add init example

* [gemini] add fool model

* [zero] update gemini ddp

* [zero] update init example

* add chunk method

* add chunk method

* [lazyinit] fix lazy tensor tolist

* [gemini] fix buffer materialization

* [misc] remove useless file

* [booster] update gemini plugin

* [test] update gemini plugin test

* [test] fix gemini plugin test

* [gemini] fix import

* [gemini] fix import

* [lazyinit] use new metatensor

* [lazyinit] use new metatensor

* [lazyinit] fix __set__ method