Add support for Floorp Notes in Onenote Feed

[vickygamer997]

I think it would be cool if Floorp notes could show up in Onenote's feed. Onenote feed combines notes from various different apps into a single place. See https://support.microsoft.com/en-us/office/use-the-onenote-feed-in-microsoft-onenote-02f298f8-f098-4bf3-a7ef-9eba6c980982.