buttfeed: Use markdown that works better in Manyverse.

tools/buttfeed.py

@@ -59,7 +59,7 @@ cutoff = state.get('last_update') or (time.time() - 2 * 7 * 24 * 60 * 60)
 
 entries = [entry for entry in get_entries() if entry[0] > cutoff]
 if entries:
-    text = '\n'.join([f' * [{entry[1]}] [{entry[3]}]({entry[2]})' for entry in entries])
+    text = '\n'.join([f' * **{entry[1]}** [{entry[3]}]({entry[2]})' for entry in entries])
     state['last_update'] = entries[0][0]
     if args.state_file:
         content = json.dumps({'type': 'post', 'text': text, 'mentions': []})