In the edit view, as alternative to using the text area, a user should be able to upload a file from his computer. The contents of that file will be saved under the URL being edited.
Dropzone.js, compatible to HTML upload, no JS dependencies, fully customizable, but maybe doesn't match our requirements out of the box (per default designed for multiple files to upload)
FileDrop.js -- dead simple, can turn every HTML tag into an upload component, no JS dependencies
In the edit view, as alternative to using the text area, a user should be able to upload a file from his computer. The contents of that file will be saved under the URL being edited.