Add Google Translate extension

extensions/google-translate/requirements.txt

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+googletrans==3.1.0a0

extensions/google-translate/script.py

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+from googletrans import Translator
+
+translator = Translator()
+
+params = {
+    "language string": "ja",
+}
+
+def input_modifier(string):
+    """
+    This function is applied to your text inputs before
+    they are fed into the model.
+    """ 
+
+    return translator.translate(string, dest='en').text
+
+def output_modifier(string):
+    """
+    This function is applied to the model outputs.
+    """
+
+    return translator.translate(string, dest=params['language string']).text