Move files

src/great_ai/utilities/language/is_english.py

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+from typing import Optional
+
+from langcodes import standardize_tag, tag_distance
+
+
+def is_english(language_code: Optional[str]) -> bool:
+    if not language_code:
+        language_code = "und"
+
+    language_code = standardize_tag(language_code)
+    return tag_distance(language_code, "en") < 15