Update docs with --force-filetype change

Author: sirosen

CHANGELOG.rst

@@ -12,6 +12,9 @@ Unreleased
 
 - Update vendored schemas: buildkite, circle-ci, mergify, renovate, taskfile,
   woodpecker-ci (2025-04-06)
+- A new option, ``--force-filetype``, is now supported and allows users to
+  explicitly specify which parser should be used for instance files. Thanks
+  :user:`mschoettle`! (:pr:`557`, :issue:`341`)
 
 0.32.1
 ------

docs/usage.rst

@@ -221,6 +221,14 @@ no extension should be treated as YAML.
 By default, this is not set and files without a detected type of JSON or YAML
 will fail.
 
+``--force-filetype``
+~~~~~~~~~~~~~~~~~~~~~~
+
+Set a filetype to use for instance files instead of detecting types.
+
+For example, ``--force-filetype json5`` will use the JSON5 parser, even on
+files ending in ``.json``.
+
 ``--data-transform``
 ~~~~~~~~~~~~~~~~~~~~