feat: add translatable string extractor for UOM names

babel_extractors.csv

@@ -0,0 +1 @@
+**/setup/setup_wizard/data/uom_data.json,erpnext.gettext.extractors.uom_data.extract

erpnext/gettext/extractors/uom_data.py

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+import json
+
+
+def extract(fileobj, *args, **kwargs):
+	"""
+	Extract messages from a JSON file with standard UOM data. To be used by the Babel extractor.
+
+	:param fileobj: the file-like object the messages should be extracted from
+	:rtype: `iterator`
+	"""
+	uom_list = json.load(fileobj)
+
+	if not isinstance(uom_list, list):
+		return
+
+	for uom_data in uom_list:
+		yield None, "_", uom_data.get("uom_name"), ["Name of a UOM"]