add minimal metadata to key files

keyfinder

@@ -1,6 +1,7 @@
 #!/usr/bin/python3
 
 import argparse
+import datetime
 import hashlib
 import os
 import re
@@ -136,10 +137,12 @@ if __name__ == "__main__":
     if args.url:
         for url in args.input:
             host = urllib.parse.urlparse(url).netloc
+            today = datetime.datetime.now(tz=datetime.timezone.utc).date().isoformat()
+            meta = f"url: {url}\ndate: {today}\n\n"
             r = requests.get(url, timeout=60)
             keys = findkeys(r.content)
             for k in keys:
-                writekey(k, host, args.outdir)
+                writekey(meta + k, host, args.outdir)
         sys.exit(0)
 
     for path in args.input: