* chore: rm logs
* fix: richtext delta event
* fix(quill): move apply delta to editor part
* fix: consistency issue with Quill
- Quill assumes there is always a \n at the end of the line
- Quill assumes \n does not merge with other delta item
- Quill assumes there is no inline format inside {insert: '\n'} delta
item
- Allow changes to be merged when possible. This makes realtime collaboration more efficient with Loro.
- Refactor the code to make modifications of changes in oplog in one place
- Optimize the diff calculation so that it doesn't have to go back to the beginning of the change.
Note: we still keep the invariants that dependency pointers in Loro always point to the last op in a change
