refactor: replace scootaloo_config with &str in init_db()

README.md

@@ -34,6 +34,8 @@ Then run the command with the `init` subcommand to initiate the DB:
 scootaloo init
 ```
 
+This subcommand is completely idempotent.
+
 Then run the command with the `register` subcommand:
 ```sh
 scootaloo register --host https://m.nintendojo.fr
@@ -76,9 +78,13 @@ SUBCOMMANDS:
 
 Scootaloo does not respect the spam limits imposed by Mastodon: it will make a 429 error if too much Tweets are converted to Toots in a short amount of time (and it will not recover from it). By default, it gets the last 200 tweets from the user timeline (which is a lot!). It is recommended to put a Tweet number into the DB file before copying an old account.
 
-You can can insert it like this:
+You can insert that Tweet number, by connecting to the DB you created:
 ```sh
 sqlite3 /var/lib/scootaloo/scootaloo.sqlite
-INSERT INTO tweet_to_toot VALUES (1383782580412030982, "");
-.quit
+```
+
+And inserting the data:
+
+```sql
+INSERT INTO tweet_to_toot VALUES (1383782580412030982, "");
 ```