enable clippy::doc_markdown lint do fixes

- fix items in documentation is missing backticks
for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_markdown
- also fix some missing intra doc links.

src/from.rs

@@ -23,7 +23,7 @@ pub trait FromIteratorFixed<T, const N: usize> {
     /// assert_eq!(a, [2, 4, 6]);
     /// ```
     ///
-    /// Using IteratorFixed::collect() to implicitly use FromIteratorFixed:
+    /// Using `IteratorFixed::collect()` to implicitly use `FromIteratorFixed`:
     /// ```
     /// use iter_fixed::IntoIteratorFixed;
     ///
@@ -48,7 +48,7 @@ impl<T, const N: usize> FromIteratorFixed<T, N> for [T; N] {
     /// assert_eq!(a, [2, 4, 6]);
     /// ```
     ///
-    /// Using IteratorFixed::collect() to implicitly use FromIteratorFixed:
+    /// Using `IteratorFixed::collect()` to implicitly use `FromIteratorFixed`:
     /// ```
     /// use iter_fixed::IntoIteratorFixed;
     ///

src/into.rs

@@ -15,7 +15,7 @@ pub unsafe trait IntoIteratorFixed<const N: usize> {
     /// The type of the elements being iterated over.
     type Item;
 
-    /// What will be the underlaying iterator for the IteratorFixed that we are turning this into?
+    /// What will be the underlaying iterator for the [`IteratorFixed`] that we are turning this into?
     type IntoIter: Iterator<Item = Self::Item>;
 
     /// Creates a fixed size iterator from a value.
@@ -43,7 +43,7 @@ where
     /// `IteratorFixed` implements `IntoIteratorFixed` as a no op. This allows passing an
     /// `IteratorFixed` where an `IntoIteratorFixed` was expected
     ///
-    /// Basic usage with zip which expects an IntoIteratorFixed as its argument:
+    /// Basic usage with zip which expects an `IntoIteratorFixed` as its argument:
     /// ```
     /// use iter_fixed::IntoIteratorFixed;
     /// let one_one = [1, 1].into_iter_fixed();

src/lib.rs

@@ -2,6 +2,8 @@
 #![allow(stable_features)]
 #![cfg_attr(feature = "nightly_features", allow(incomplete_features))]
 #![cfg_attr(feature = "nightly_features", feature(generic_const_exprs))]
+// enable additionnal lints
+#![warn(clippy::doc_markdown)]
 
 use core::iter;
 
@@ -21,7 +23,7 @@ pub use into::IntoIteratorFixed;
 /// length. This enables us to turn them back into collections of fixed size without having to
 /// perform unnecessary checks during run time.
 ///
-/// Just like Iterator, IteratorFixed provides a lot of methods like:
+/// Just like Iterator, `IteratorFixed` provides a lot of methods like:
 ///
 /// * `map`
 /// * `inspect`
@@ -42,9 +44,9 @@ pub struct IteratorFixed<I: Iterator, const N: usize> {
 
 /// Creates a new iterator of fixed size where each iteration calls the provided closure F: FnMut(usize) -> T
 ///
-/// This allows very simple initialization of types that implement `FromIteratorFixed` such as arrays.
+/// This allows very simple initialization of types that implement [`FromIteratorFixed`] such as arrays.
 ///
-/// Note: This function is quite similar to [`iter::from_fn`] however note that in contrast to `iter::from_fn`,
+/// Note: This function is quite similar to [`iter::from_fn`] however note that in contrast to [`iter::from_fn`],
 /// in `IteratorFixed::from_fn` the provided function does not have any say in the number of elements.
 /// The length is entirely determined by `N`.
 ///