refactor: add recursion limit to main.rs files in agnews, iris, and winequality directories

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

Author: SammyOina

burn-algorithms/agnews/src/main.rs

@@ -1,3 +1,5 @@
+#![recursion_limit = "256"]
+
 use burn::{
     nn::transformer::TransformerEncoderConfig,
     optim::{decay::WeightDecayConfig, AdamConfig},

burn-algorithms/iris/src/main.rs

@@ -1,3 +1,5 @@
+#![recursion_limit = "256"]
+
 #[cfg(not(feature = "wgpu"))]
 mod ndarray {
     use burn::backend::{

burn-algorithms/winequality/src/main.rs

@@ -1,3 +1,5 @@
+#![recursion_limit = "256"]
+
 #[cfg(not(feature = "wgpu"))]
 mod ndarray {
     use burn::backend::{