Serve Zed rC as https://hypership.space/content

Summary:
Serve the scenes and users content, but not travel rules or stories.

For the scenes content, templates needed to be rendered aren't served either.

Test Plan:
Check the following URLs:

• https://hypership.space/content/ 403, per /content location
• https://hypership.space/content/users/1148/ktor.png 200, per /content aliases
• https://hypership.space/content/scenes/B00002.tpl 403, per .tpl special block

Reviewers: dereckson

Reviewed By: dereckson

Differential Revision: https://devcentral.nasqueron.org/D1585