[commands] Update docs to include proper walkthrough (#426)

* Add ability to parse Unions into ext.commands * pipe was 3.10, not 3.8 * Add start of commands walkthrough * Fix optional parsing when optional is the last argument * Add Annotated support * Run black * Add more command walkthrough * revamp errors with proper useful messages and details on objects * Final touches to the walkthrough * update changelog with changes * add changelog entry * run black * update function names past cookie section
PythonistaGuild · Sep 19, 2023 · e51c270 · e51c270
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diff --git a/docs/changelog.rst b/docs/changelog.rst
@@ -31,6 +31,15 @@ Master
             - ``Optional[T]`` / ``T | None``
             - ``Annotated[T, converter]`` (accessible through the ``typing_extensions`` module on older python versions)
 
+- ext.commands
+    - Additions
+        - Added support for the following typing constructs in command signatures:
+            - ``Union[A, B]`` / ``A | B``
+            - ``Optional[T]`` / ``T | None``
+            - ``Annotated[T, converter]`` (accessible through the ``typing_extensions`` module on older python versions)
+
+- Docs
+    - Added walkthrough for ext.commands
 
 2.7.0
 ======