Move `CCCamera.cpp/h` `CCLight.cpp/h` into 2d
Move `CCCamera.cpp/h` `CCLight.cpp/h` into 2d
update release note
Merge pull request #8870 from minggo/update-release-note

[ci skip]Update release note
Merge pull request #8869 from Dhilan007/v3-movefile

Move `CCCamera.cpp/h` `CCLight.cpp/h` into 2d