chore: sample asound.conf for Docker

.gitignore

-.idea/
 *.pyc
 *.log
-.vscode/tags
-config/engine-core.ini
-config/systemd/dev/
-env.list
-engine.sock
-audio
-config/engine-core.docker.ini
-config/.asoundrc
-.env
\ No newline at end of file
+.env
+/.idea/
+/.vscode/tags
+/config/engine-core.ini
+/config/systemd/dev/
+/env.list
+/engine.sock
+/audio
+/config/engine-core.docker.ini
+/config/.asoundrc
+/config/asound.conf
\ No newline at end of file

config/sample-asound.conf

+pcm.aura_engine {
+  type plug
+  slave { pcm "hw:2,0" }
+}