🤩 Added custom openai tts models and role variables

src/lib/apis/openai/index.ts

@@ -239,7 +239,8 @@ export const generateOpenAIChatCompletion = async (
 export const synthesizeOpenAISpeech = async (
 	token: string = '',
 	speaker: string = 'alloy',
-	text: string = ''
+	text: string = '',
+	model: string = 'tts-1'
 ) => {
 	let error = null;
 
@@ -250,7 +251,7 @@ export const synthesizeOpenAISpeech = async (
 			'Content-Type': 'application/json'
 		},
 		body: JSON.stringify({
-			model: 'tts-1',
+			model: model,
 			input: text,
 			voice: speaker
 		})