Added Latex support for doc

Added a html header files, an added metadata line in Cargo.toml and some formatting changes in the doc to have Latex formulas in docs.rs. It works locally, should work online

src/fec.rs

@@ -31,14 +31,6 @@ pub struct Shard<F: PrimeField> {
 }
 
 impl<F: PrimeField> Shard<F> {
-    fn dual_combination(this: &Vec<F>, alpha: F, other: &Vec<F>, beta: F) -> Vec<F> {
-        this
-            .iter()
-            .zip(other.iter())
-            .map(|(s, o)| s.mul(alpha) + o.mul(beta))
-            .collect()
-    }
- 
     /// compute the linear combination between two [`Shard`]s
     ///
     /// if we denote the [`Shard`] itself and the other [`Shard`] by $s$ and $o$ respectively, the
@@ -53,9 +45,19 @@ impl<F: PrimeField> Shard<F> {
 
         Shard {
             k: self.k,
-            linear_combination: Self::dual_combination(&self.linear_combination, alpha, &other.linear_combination, beta),
+            linear_combination: self
+                .linear_combination
+                .iter()
+                .zip(other.linear_combination.iter())
+                .map(|(l, r)| l.mul(alpha) + r.mul(beta))
+                .collect(),
             hash: self.hash.clone(),
-            data: Self::dual_combination(&self.data, alpha, &other.data, beta),
+            data: self
+                .data
+                .iter()
+                .zip(other.data.iter())
+                .map(|(es, eo)| es.mul(alpha) + eo.mul(beta))
+                .collect(),
             size: self.size,
         }
     }
@@ -102,7 +104,10 @@ pub fn recode_with_coeffs<F: PrimeField>(shards: &[Shard<F>], coeffs: &[F]) -> O
 /// > **Note**
 /// >
 /// > this is a wrapper around [`recode_with_coeffs`].
-pub fn recode_random<F: PrimeField>(shards: &[Shard<F>], rng: &mut impl RngCore) -> Result<Option<Shard<F>>, KomodoError> {
+pub fn recode_random<F: PrimeField>(
+    shards: &[Shard<F>],
+    rng: &mut impl RngCore,
+) -> Result<Option<Shard<F>>, KomodoError> {
     for (i, (s1, s2)) in shards.iter().zip(shards.iter().skip(1)).enumerate() {
         if s1.k != s2.k {
             return Err(KomodoError::IncompatibleShards(format!(
@@ -139,7 +144,10 @@ pub fn recode_random<F: PrimeField>(shards: &[Shard<F>], rng: &mut impl RngCore)
 /// matrix. (see [`algebra::split_data_into_field_elements`])
 ///
 /// This is the inverse of [`decode`].
-pub fn encode<F: PrimeField>(data: &[u8], encoding_mat: &Matrix<F>) -> Result<Vec<Shard<F>>, KomodoError> {
+pub fn encode<F: PrimeField>(
+    data: &[u8],
+    encoding_mat: &Matrix<F>,
+) -> Result<Vec<Shard<F>>, KomodoError> {
     let hash = Sha256::hash(data).to_vec();
 
     let k = encoding_mat.height;