Add rich text editor

...tech/static_src/src/app/src/components/NoteListingItem.js

...h/static_src/src/app/src/components/RichTextForm/index.js

opentech/static_src/src/app/src/containers/AddNoteForm.js

opentech/static_src/src/app/src/containers/Note.js

opentech/static_src/src/app/src/containers/NoteListing.js

...tech/static_src/src/app/src/redux/reducers/submissions.js

package-lock.json

package.json