Re-enable links to REST API

- fix path to oauth spec
- enable attrs_inline for external link handling to internal targets

docs/source/conf.py

@@ -50,6 +50,7 @@ myst_heading_anchors = 2
 
 myst_enable_extensions = [
     # available extensions: https://myst-parser.readthedocs.io/en/latest/syntax/optional.html
+    "attrs_inline",
     "colon_fence",
     "deflist",
     "fieldlist",
@@ -185,6 +186,7 @@ linkcheck_ignore = [
     "https://github.com/jupyterhub/jupyterhub/pull/",  # too many PRs in changelog
     "https://github.com/jupyterhub/jupyterhub/compare/",  # too many comparisons in changelog
     r"https?://(localhost|127.0.0.1).*",  # ignore localhost references in auto-links
+    r".*/rest-api.html#.*",  # ignore javascript-resolved internal rest-api links
     r"https://jupyter.chameleoncloud.org",  # FIXME: ignore (presumably) short-term SSL issue
 ]
 linkcheck_anchors_ignore = [