chore: add changelog entry

Author: ankddev

CHANGELOG.md

@@ -72,6 +72,48 @@
 - Redundant `_ as x` patterns are now deprecated in favour of `x`.
   ([eutampieri](https://github.com/eutampieri))
 
+- The compiler will now raise warning for inefficient use of `list.length()`
+  when trying to check is list empty via `0 < list.length(list)` or `list.length(list) > 0` as well as in other cases. For example, the following code:
+  ```gleam
+  import gleam/list
+
+  pub fn main() {
+    let arr = [1, 46]
+    let _ = 0 < list.length(arr)
+    let _ = list.length(arr) > 0
+  }
+  ```
+
+  Would result in following warnings:
+
+  ```
+  warning: Inefficient use of `list.length`
+    ┌─ /data/data/com.termux/files/home/test_gleam/src/test_gleam.gleam:5:13
+    │
+  5 │     let _ = 0 < list.length(arr)
+    │             ^^^^^^^^^^^^^^^^^^^^
+
+  The `list.length` function has to iterate across the whole
+  list to calculate the length, which is wasteful if you only
+  need to know if the list is empty or not.
+
+  Hint: You can use `the_list != []` instead.
+
+  warning: Inefficient use of `list.length`
+    ┌─ /data/data/com.termux/files/home/test_gleam/src/test_gleam.gleam:6:13
+    │
+  6 │     let _ = list.length(arr) > 0
+    │             ^^^^^^^^^^^^^^^^^^^^
+
+  The `list.length` function has to iterate across the whole
+  list to calculate the length, which is wasteful if you only
+  need to know if the list is empty or not.
+
+  Hint: You can use `the_list != []` instead.
+  ```
+
+  ([Andrey Kozhev](https://github.com/ankddev))
+
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