* add sam edit function
* add sam point/box nodes
* combine sam loader and segment-anything node
* refine the code
* refine the code
* refine the code
* refine the code
* add point/box example json files
* refine the code
* refine the code
* refine the code
* delete unused changes
* rm unused example jsons
* delete example json
* refine the code
* modify README.md、add example json and refine the code
* add example json in docs directory
* modify the example json
* refine the code
* update ci
* refine
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Co-authored-by: Yao Chi <later@usopp.net>