Configure Rustfmt and Taplo (#38)

* Configure rustfmt

* Add Taplo configuration and run in CI

src/tests/mock_rng.rs

@@ -7,21 +7,20 @@
 
 use alloc::vec::Vec;
 use core::cmp::min;
+
 use rand_core::{CryptoRng, Error, RngCore};
 
 /// A simple implementation of `RngCore` for testing purposes.
 ///
 /// This generates a cyclic sequence (i.e. cycles over an initial buffer)
-///
-///
 #[derive(Debug, Clone)]
 pub struct CycleRng {
     v: Vec<u8>,
 }
 
 impl CycleRng {
-    /// Create a `CycleRng`, yielding a sequence starting with
-    /// `initial` and looping thereafter
+    /// Create a `CycleRng`, yielding a sequence starting with `initial` and
+    /// looping thereafter
     pub fn new(initial: Vec<u8>) -> Self {
         CycleRng { v: initial }
     }

src/tests/voprf_test_vectors.rs

@@ -5,22 +5,23 @@
 // License, Version 2.0 found in the LICENSE-APACHE file in the root directory
 // of this source tree.
 
-use crate::{
-    errors::InternalError,
-    group::Group,
-    tests::{mock_rng::CycleRng, parser::*},
-    voprf::{
-        BlindedElement, EvaluationElement, NonVerifiableClient, NonVerifiableServer, Proof,
-        VerifiableClient, VerifiableServer,
-    },
-};
 use alloc::string::{String, ToString};
 use alloc::vec;
 use alloc::vec::Vec;
+
 use digest::{BlockInput, Digest};
 use generic_array::GenericArray;
 use json::JsonValue;
 
+use crate::errors::InternalError;
+use crate::group::Group;
+use crate::tests::mock_rng::CycleRng;
+use crate::tests::parser::*;
+use crate::voprf::{
+    BlindedElement, EvaluationElement, NonVerifiableClient, NonVerifiableServer, Proof,
+    VerifiableClient, VerifiableServer,
+};
+
 #[derive(Debug)]
 struct VOPRFTestVectorParameters {
     seed: Vec<u8>,