Add missing timeformat file

src/emulsion/timeformat.py

@@ -0,0 +1,25 @@
+# Source - https://stackoverflow.com/a/24542445
+# Posted by Mr. B, modified by community. See post 'Timeline' for change history
+# Retrieved 2026-01-31, License - CC BY-SA 4.0
+
+intervals = (
+	('yr',  31536000),  # 60 * 60 * 24 * 365
+	('mo',  2592000),  # 60 * 60 * 24 * 30
+	('wks', 604800),    # 60 * 60 * 24 * 7
+	('d',   86400),      # 60 * 60 * 24
+	('h',   3600),      # 60 * 60
+	('m',   60),
+	('s',   1),
+)
+
+def format_time(seconds: float, granularity: int = 2) -> str:
+	result = []
+
+	for name, count in intervals:
+		value = seconds // count
+		if value:
+			seconds -= value * count
+			if value == 1:
+				name = name.rstrip('s')
+			result.append(f"{value}{name}")
+	return ' '.join(result[:granularity])