Issue #22558: Add remaining doc links to source code for Python-coded modules.

Reformat header above separator line (added if missing) to a common format.
Patch by Yoni Lavi.

Doc/library/array.rst

@@ -4,9 +4,10 @@
 .. module:: array
    :synopsis: Space efficient arrays of uniformly typed numeric values.
 
-
 .. index:: single: arrays
 
+--------------
+
 This module defines an object type which can compactly represent an array of
 basic values: characters, integers, floating point numbers.  Arrays are sequence
 types and behave very much like lists, except that the type of objects stored in