doc fixes (#6)

src/core/config.sw

@@ -13,18 +13,15 @@ pub struct Config {
     /// Each signer is identified by a unique bits (`b256`),
     /// which represents their address.
     pub signers: Vec<b256>,
-
     /// Identifiers for the data feeds from which values are aggregated.
     ///
     /// Each data feed id is represented by the `u256` type.
     pub feed_ids: Vec<u256>,
-
     /// The minimum number of signers required validating the data.
     ///
     /// Specifies how many unique signers (from different addresses) are required
     /// for the data to be considered valid and trustworthy.
     pub signer_count_threshold: u64,
-
     /// The current block time in timestamp format, used for verifying data timeliness.
     ///
     /// The value's been expressed in milliseconds since the Unix epoch (January 1, 1970) and allows