* Import entities from checkpoint
* Fix IPLD state when updating subgraph entity
* Changes in codegen and other watchers
* Update IPLD state with all Block entities
* Add verify and create sub commands to checkpoint
* Add option for specifying snapshot block in export state CLI
* Update demo for IPLD blocks
* Add update for custom properties in state diff
* Implement custom update of transfer counter in state diff
* Comment code for updating custom state prop
* Separate markdown for erc721-watcher Demo
* Run workflow on main branch commit