I think desktop clients are more suited to kickstart this. Maybe nostr:npub1zfss807aer0j26mwp2la0ume0jqde3823rmu97ra6sgyyg956e0s6xw445 and nostr:npub1acg6thl5psv62405rljzkj8spesceyfz2c32udakc2ak0dmvfeyse9p35c can add them to Lume and Gossip.
Discussion
Not necessarily. You could just implement the sharing part, and let people use feeds built elsewhere. No need to build a full editor or anything.