(feat:TTS) create gtts over abstraction

application/tts/google_tts.py

@@ -0,0 +1,19 @@
+import io
+import base64
+from gtts import gTTS
+from application.tts.base import BaseTTS
+
+
+class GoogleTTS(BaseTTS):
+    def __init__(self, text):
+        self.text = text
+    
+
+    def text_to_speech(self):
+        lang = "en"
+        audio_fp = io.BytesIO()
+        tts = gTTS(text=self.text, lang=lang, slow=False)
+        tts.write_to_fp(audio_fp)
+        audio_fp.seek(0)
+        audio_base64 = base64.b64encode(audio_fp.read()).decode("utf-8")
+        return audio_base64, lang