audio streaming header に対応する

[Hexa]

This pull request introduces support for handling audio streaming headers in the project. The main changes include adding a new configuration option, updating relevant configuration files, and implementing logic to process audio data with headers.

Key changes:

Configuration Updates:

• Added audio_streaming_header setting to the Config struct in config.go to handle audio streaming headers.
• Updated config_example.ini to include the new audio_streaming_header setting with a default value of false.

Documentation:

• Updated CHANGES.md to document the addition of the audio_streaming_header setting.

Code Implementation:

• Added readPacketWithHeader function in handler.go to process audio data with headers.
• Modified the opus2ogg function in handler.go to use readPacketWithHeader when audio_streaming_header is enabled.

Imports:

• Added the encoding/binary package import in handler.go to support the new header processing logic.
  This pull request introduces a new feature to handle audio streaming headers in the application. The key changes include updating the configuration to support this feature, modifying the handler to process audio data with headers, and adding a new function to read packets with headers.

Configuration Updates:

• config.go: Added a new configuration option AudioStreamingHeader to handle audio streaming headers.
• config_example.ini: Updated the example configuration file to include the new audio_streaming_header option.

Handler Modifications:

• handler.go: Added a new function readPacketWithHeader to process audio data with headers.
• handler.go: Updated the opus2ogg function to use the new readPacketWithHeader function if the AudioStreamingHeader configuration is enabled.

Documentation:

• CHANGES.md: Documented the addition of the audio streaming header feature and its configuration.