[sendspin] Add a Sendspin media source component for playing audio (PR4) (#15950)

Co-authored-by: Copilot <copilot@github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
Co-authored-by: J. Nick Koston <nick@koston.org>

tests/components/sendspin/common-media_source.yaml

@@ -0,0 +1,9 @@
+<<: !include common.yaml
+
+media_source:
+  - platform: sendspin
+    id: media_source_id
+    buffer_size: 500000
+    initial_static_delay: 5ms
+    static_delay_adjustable: true
+    fixed_delay: 480us

tests/components/sendspin/test-media_source.esp32-idf.yaml

@@ -0,0 +1 @@
+<<: !include common-media_source.yaml