API docs: expand and fix rendering issues

[RayPlante]

Due to recent changes in the toolkit used, the MIDAS APIs were no longer rendering in HTML. This PR fixes that issue, and in addition, the MIDAS OpenAPI documentation was expanded to cover the ACL access endpoints.

To test,

1. check out this branch and change into its directory
2. review the README.md under docker/midasserver to see how to start the MIDAS server stand-alone
3. start the server by typing scripts/midasserver --bg midasdata start
4. With a browser, access the DMP and DAP API docs:
   • DMP: http://localhost:9091/docs/dmpsvc-elements.html
   • DAP: http://localhost:9091/docs/dapsvc-elements.html
5. Review the ACL endpoints (the last 7 endpoints shown in the left side index panel).

[nikblonder]

I tested on my machine and the changes work