fix(explorer): default sortFn implementation (#511)

* fix: use `numeric` + `base` for localeCompare

* docs(explorer): update default sortFn

docs/features/explorer.md

@@ -75,7 +75,12 @@ Every function you can pass is optional. By default, only a `sort` function will
 Component.Explorer({
   sortFn: (a, b) => {
     if ((!a.file && !b.file) || (a.file && b.file)) {
-      return a.displayName.localeCompare(b.displayName)
+      // sensitivity: "base": Only strings that differ in base letters compare as unequal. Examples: a ≠ b, a = á, a = A
+      // numeric: true: Whether numeric collation should be used, such that "1" < "2" < "10"
+      return a.displayName.localeCompare(b.displayName, undefined, {
+        numeric: true,
+        sensitivity: "base",
+      })
     }
     if (a.file && !b.file) {
       return 1