Update mod.rs

Author: ITZ-NIHALPATEL

src/math/mod.rs

@@ -51,6 +51,7 @@ mod miller_rabin;
 mod modular_exponential;
 mod newton_raphson;
 mod nthprime;
+mod palindrome;
 mod pascal_triangle;
 mod perfect_cube;
 mod perfect_numbers;
@@ -142,6 +143,7 @@ pub use self::miller_rabin::{big_miller_rabin, miller_rabin};
 pub use self::modular_exponential::{mod_inverse, modular_exponential};
 pub use self::newton_raphson::find_root;
 pub use self::nthprime::nthprime;
+pub use self::palindrome::is_palindrome;
 pub use self::pascal_triangle::pascal_triangle;
 pub use self::perfect_cube::perfect_cube_binary_search;
 pub use self::perfect_numbers::perfect_numbers;