Feat: add yaml config file

config/engine-core.yaml

+general:
+  engine_id: "1"
+  socket_dir: "../socket"
+  log_dir: "../logs"
+  log_level: "3"
+  liquidsoap_as_root: "false"
+  liquidsoap_min_version: "2.2.4"
+  api_url_playlog: "http://127.0.0.1:8008/api/v1/playlog"
+
+telnet:
+  server_enable: "true"
+  server_timeout: "16380"
+  server_host: "127.0.0.1"
+  server_port: "1234"
+
+fallback:
+  music_folder: "../audio/fallback"
+  show_name: "Station Fallback"
+  show_id: "-1"
+  type: "folder"
+  music_playlist: "station-fallback-playlist.m3u"
+  music_folder_reload: "300"
+  max_blank: "15."
+  min_noise: "0."
+  threshold: "-80."
+
+audio:
+  soundsystem: "jack"
+  devices:
+    output:
+      - name: "default"
+      - name: "Studio"
+    input:
+      - name: "default"
+
+stream:
+  - enabled: true
+    encoding: "ogg"
+    bitrate: "128"
+    channels: "2"
+    host: "192.168.1.154"
+    port: 8000
+    mountpoint: "aura-radio.ogg"
+    user: "source"
+    password: "hackme"
+    url: "https://aura.radio"
+    name: "AURA Radio"
+    genre: "music"
+    description: "Music from the community radio software suite"
+  - enabled: true
+    encoding: "mp3"
+    bitrate: "128"
+    channels: "2"
+    host: "192.168.1.154"
+    port: 8000
+    mountpoint: "aura-radio2.mp3"
+    user: "source"
+    password: "hackme"
+    url: "https://aura.radio2"
+    name: "AURA Radio 2"
+    genre: "music"
+    description: "Music from the community radio software suite"