adding the utils documentation

src/conway/utils.gleam

@@ -1,5 +1,6 @@
 import gleam/list
 
+/// Map a function to individual cells in a 2d matrix
 pub fn map_2d_matrix_with_state(
   matrix: List(List(a)),
   map_fn: fn(a, List(List(a))) -> b,
@@ -9,6 +10,7 @@ pub fn map_2d_matrix_with_state(
   })
 }
 
+/// Map a function to individual rows in a 2d matrix
 pub fn map_2d_matrix(matrix: List(List(a)), map_fn: fn(a) -> b) -> List(List(b)) {
   list.map(matrix, fn(row) { list.map(row, map_fn) })
 }
@@ -24,7 +26,7 @@ pub fn list_to_square_matrix(l: List(a), n: Int) -> List(List(a)) {
   }
 }
 
-/// Used to create a cartesian product for one item with a list
+/// Used to create a cartesian product for one item with a list. 
 /// i.e.  5, [6,7,8] -> [(5,6), (5,7), (5,8)] 
 pub fn build_product_fn(other: List(Int), x: Int) -> List(#(Int, Int)) {
   case other {