[x] App boot [x] Drag and drop nodes [x] Data storage/backend setup [ ] Create nodes [ ] Link nodes [ ] Differentiate nodes (text, image, video, URL, etc) [ ] Users and authorship [ ] Visibility rules (public by default, private by choice) [ ] Collaborative spaces [ ] Activity log [ ] Note deletion (with ghosting) [ ] Custom views [ ] Commenting? (Does this actually add value? Should comments just be their own nodes?)