Add sphinx-lint pre-commit (and some docs fixes) (#29)

Companion PR to rapidsai/cugraph#4771, because if we want `sphinx-lint` pre-commit there, then we probably want it here too.

The docs in this repo are out of date and were updated to make `sphinx-lint` happy.

Authors:
  - Erik Welch (https://github.com/eriknw)
  - Ralph Liu (https://github.com/nv-rliu)

Approvers:
  - Rick Ratzel (https://github.com/rlratzel)
  - Bradley Dice (https://github.com/bdice)

URL: #29

.pre-commit-config.yaml

@@ -49,6 +49,7 @@ repos:
     rev: 24.10.0
     hooks:
       - id: black
+      # - id: black-jupyter  # Consider adding this
   - repo: https://github.com/astral-sh/ruff-pre-commit
     rev: v0.7.3
     hooks:
@@ -108,6 +109,11 @@ repos:
         language: python
         pass_filenames: false
         additional_dependencies: ["networkx>=3.4"]
+  - repo: https://github.com/sphinx-contrib/sphinx-lint
+    rev: v1.0.0
+    hooks:
+      - id: sphinx-lint
+        args: ["--enable=all", "--disable=line-too-long"]
   - repo: https://github.com/rapidsai/pre-commit-hooks
     rev: v0.4.0
     hooks: