The directory nesting is unnecessary here and confusing to navigate. I've moved
all apps to the project subdirectory, currently called "www", but soon to be
renamed "conservancy".
I've also moved manage.py to the top-level directory.
This tag marks a variable as not requiring escaping by the template engine,
potentially creating cross-site scripting vulnerabilities, so shouldn't be used
unless absolutely necessary. In these cases, I don't think it's necessary.
For now, this gives us more assurance that other sites will choose the
preview we want.
You can control the selection by adding data-ogpreview to image, video, and
source elements. data-ogpreview=0 excludes the element from being included
in the preview. Positive numbers set the preview priority. The lowest
value found is chosen first.
