migrate docs to mdx

website/docs/language/functions/sort.mdx

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+---
+page_title: sort - Functions - Configuration Language
+description: |-
+  The sort function takes a list of strings and returns a new list with those
+  strings sorted lexicographically.
+sidebar_title: sort
+---
+
+# `sort` Function
+
+`sort` takes a list of strings and returns a new list with those strings
+sorted lexicographically.
+
+The sort is in terms of Unicode codepoints, with higher codepoints appearing
+after lower ones in the result.
+
+## Examples
+
+```
+> sort(["e", "d", "a", "x"])
+[
+  "a",
+  "d",
+  "e",
+  "x",
+]
+```