Update README.md

Changed the example. First of all, now it fits better to the example output, second human subjects who try this tool out won't run in the problem that there account is freezed for several hours for there first test. And changed the example output to mach better with the real output.

README.md

@@ -58,12 +58,12 @@ mastotool search <string>
 ## Example
 
 ```
-$ mastotool stats
+$ mastotool stats -r 100
 Which instance to connect to: https://mastodon.social
 Username (email): some_user@domain.tld
 Password: ********
 
-Loading toots for some_user     100 of 100 [#>---------------------------] 100.00%
+Loading toots for some_user     100 of 100 [############################>] 100.00%
 
 Total toots: 100 (excluding replies & boosts)
 Toots per day: 1.00 (account created 100 days ago)