Update DAB to include dynamic settings

- Settings will now get the active device(s) available on Linux (UNTESTED)
- Added CLI handler for interacting with the CLI
- Added wrapper for extracting values with regex
-

client/discordAudioBot/dab.mjs

@@ -17,7 +17,8 @@ import { Client, Events, ActivityType } from 'discord.js';
 import prism_media from 'prism-media';
 const { FFmpeg } = prism_media;
 
-const device = "VoiceMeeter VAIO3 Output (VB-Audio VoiceMeeter VAIO3)", maxTransmissionGap = 500, type = "dshow";
+// Import the DAB settings from the dynamic settings file
+import {device, maxTransmissionGap, type} from './dabSettings.mjs'
 
 const player = createAudioPlayer({
 	behaviors: {

client/discordAudioBot/dabSettings.mjs

@@ -0,0 +1,18 @@
+import { executeCommand } from '../modules/cliHandler.mjs';
+import { extractValue } from '../modules/baseUtils.mjs';
+import os from 'os';
+
+// Defaults to Windows values for testing
+let device = "VoiceMeeter VAIO3 Output (VB-Audio VoiceMeeter VAIO3)";
+let maxTransmissionGap = 500;
+let type = "dshow";
+
+// Set Linux values for use in production
+if (os.platform() === 'linux') {
+    await executeCommand("pactl", ['list', 'short', 'sources']).then(cliOutput => {
+        device = extractValue(cliOutput, '(?:\d[ ]{4,12}(.+?)[ ]{4,12}(?:.+?[ ]{4,12}){2,4}RUNNING)')
+    });    
+    type = "pulse"; // Replace with appropriate type for Linux
+}
+
+export { device, maxTransmissionGap, type };