feat: added support to wasm (#94)

* test: run tests also in wasm targets

* fix: install rand with wasm-bindgen por wasm targets

* fix: use actual usize size to access buffer.

* fix: do not run functions that create files in wasm.

* test: do not run in wasm test that panics.

Co-authored-by: Luis Moreno <morenol@users.noreply.github.com>

src/naive_bayes/gaussian.rs

@@ -259,6 +259,7 @@ mod tests {
     use super::*;
     use crate::linalg::naive::dense_matrix::DenseMatrix;
 
+    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
     #[test]
     fn run_gaussian_naive_bayes() {
         let x = DenseMatrix::from_2d_array(&[
@@ -295,6 +296,7 @@ mod tests {
         );
     }
 
+    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
     #[test]
     fn run_gaussian_naive_bayes_with_priors() {
         let x = DenseMatrix::from_2d_array(&[
@@ -314,6 +316,7 @@ mod tests {
         assert_eq!(gnb.class_priors(), &priors);
     }
 
+    #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
     #[test]
     #[cfg(feature = "serde")]
     fn serde() {