Make SubFox production-ready with parallel translation and UI controls

app/translators/base.py

@@ -0,0 +1,13 @@
+from abc import ABC, abstractmethod
+from typing import List
+
+
+class BaseTranslator(ABC):
+    @abstractmethod
+    def translate_blocks(
+        self,
+        texts: List[str],
+        source_lang: str = "auto",
+        target_lang: str = "da",
+    ) -> List[str]:
+        pass