[Library Manager] Please add library for Grove - I2C Color Sensor

[lanselambor]

github: https://github.com/Seeed-Studio/Grove_I2C_Color_Sensor
release: https://github.com/Seeed-Studio/Grove_I2C_Color_Sensor/releases/tag/1.0.0

Thanks! 😄

[cmaglie]

I've added all the Grove libraries (except 2 that needs editing).

@lanselambor when you have a batch of libraries to add, just open one issue for all of them.
Just post the link to the github repo, there is no need to add the release/tag link that is picked automatically.

[lanselambor]

Ok got it.