fix:serial print error after init

chore: update library version

ci: add an action to automatically close stale issues and PRs

add run-cl-arduino.yml

Add sync_issues GitHub Action for workflows

Merge pull request #14 from Seeed-Studio/dev

Feature: pag7660 i2c addr can be change

Merge pull request #11 from Seeed-Studio/dev

fix compile error about default cs

update all examples

Modify: always compile SPI

update name and description

add spi to read and write pag7660 reg

Fix errors and reduce redundancy

Added two examples of pag7660