Print visibility in CLI

I went with two spaces before and after but feel free to change that
to whatever! Having the visibility printed this way is pretty useful
for us who mostly read posts through the CLI.

toot/output.py

@@ -219,7 +219,7 @@ def status_lines(status: Status) -> t.Generator[str, None, None]:
 
     reply = f"↲ In reply to {yellow(in_reply_to_id)} " if in_reply_to_id else ""
     boost = f"↻ {blue(reblogged_by_acct)} boosted " if reblogged_by else ""
-    yield f"ID {yellow(status_id)} {reply} {boost}"
+    yield f"ID {yellow(status_id)}  visibility: {status.visibility}  {reply} {boost}"
 
 
 def html_lines(html: str, width: int) -> t.Generator[str, None, None]: