Fix reStructuredText syntax errors: correct toctree directive, broken hyperlinks, and code block formatting

Co-authored-by: leofang <5534781+leofang@users.noreply.github.com>

Author: Copilot

cuda_bindings/docs/source/contribute.rst

@@ -7,8 +7,7 @@ Contributing
 Thank you for your interest in contributing to ``cuda-bindings``! Based on the type of contribution, it will fall into two categories:
 
 1. You want to report a bug, feature request, or documentation issue
-    - File an `issue <https://github.com/NVIDIA/cuda-python/issues/new/choose>`_
-    describing what you encountered or what you want to see changed.
+    - File an `issue <https://github.com/NVIDIA/cuda-python/issues/new/choose>`_ describing what you encountered or what you want to see changed.
     - The NVIDIA team will evaluate the issues and triage them, scheduling
     them for a release. If you believe the issue needs priority attention
     comment on the issue to notify the team.

cuda_bindings/docs/source/overview.rst

@@ -326,7 +326,7 @@ NumPy `Array objects <https://numpy.org/doc/stable/reference/arrays.html>`_ can
 Let's use the following kernel definition as an example:
 .. code-block:: python
 
-   kernel_string = """\
+   kernel_string = """
    typedef struct {
        int value;
    } testStruct;

cuda_python/docs/source/release.rst

@@ -4,20 +4,17 @@
 Release Notes
 =============
 
-.. code-block:: {toctree}
-
-   ---
-   maxdepth: 3
-   ---
+.. toctree::
+   :maxdepth: 3
 
-       13.0.1 <release/13.0.1-notes>
-       13.0.0 <release/13.0.0-notes>
-       12.9.2 <release/12.9.2-notes>
-       12.9.1 <release/12.9.1-notes>
-       12.9.0 <release/12.9.0-notes>
-       12.8.0 <release/12.8.0-notes>
-       12.6.2 <release/12.6.2-notes>
-       12.6.1 <release/12.6.1-notes>
-       11.8.7 <release/11.8.7-notes>
-       11.8.6 <release/11.8.6-notes>
+   release/13.0.1-notes
+   release/13.0.0-notes
+   release/12.9.2-notes
+   release/12.9.1-notes
+   release/12.9.0-notes
+   release/12.8.0-notes
+   release/12.6.2-notes
+   release/12.6.1-notes
+   release/11.8.7-notes
+   release/11.8.6-notes