Add SQLite library with API, library desktop apps and MobyGames scraper

tools/content/dates.py

@@ -0,0 +1,10 @@
+import datetime
+
+
+def check_date(text: str | None) -> str | None:
+    if not text:
+        return None
+    try:
+        return datetime.date.fromisoformat(text).isoformat()
+    except ValueError:
+        raise ValueError(f"{text} is not a date like 2026-01-31") from None