Add config sample

.bot_config.toml.sample

@@ -0,0 +1,6 @@
+bot_token = <your bot token>
+database_path = <path to your database file>
+guild_ids = [<ids of servers to run on>]                                                      # Test server id
+channel_ids = [<ids of channels within those servers to accept commands from>]                # Test server channel id
+regular_role_ids = [<ids of roles to treat as office regulars>]                               # Test server has no regular roles
+admin_role_ids = [<ids of roles to treat as office admins>]                                   # Test server admin role id