🐛 Fix docs overrides directory for translations (#2541)

* 🙈 Add .gitignore files to keep overrides directories for translations to fix serving live locally during translations

* ♻️ Refactor docs scripts to handle language overrides (newsletter notification)

scripts/docs.py

@@ -136,7 +136,12 @@ def build_lang(
     shutil.rmtree(build_lang_path, ignore_errors=True)
     shutil.copytree(lang_path, build_lang_path)
     shutil.copytree(en_docs_path / "data", build_lang_path / "data")
-    shutil.copytree(en_docs_path / "overrides", build_lang_path / "overrides")
+    overrides_src = en_docs_path / "overrides"
+    overrides_dest = build_lang_path / "overrides"
+    for path in overrides_src.iterdir():
+        dest_path = overrides_dest / path.name
+        if not dest_path.exists():
+            shutil.copy(path, dest_path)
     en_config_path: Path = en_lang_path / mkdocs_name
     en_config: dict = mkdocs.utils.yaml_load(en_config_path.read_text(encoding="utf-8"))
     nav = en_config["nav"]