minor #21542 [Console] add missing link to the tree helper (xabbuh)

This PR was merged into the 7.3 branch.

Discussion
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[Console] add missing link to the tree helper

Commits
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212c022 add missing link to the tree helper

Author: javiereguiluz

console.rst

@@ -583,5 +583,6 @@ tools capable of helping you with different tasks:
   output debug information when running an external program
 * :doc:`/components/console/helpers/processhelper`: allows to run processes using ``DebugFormatterHelper``
 * :doc:`/components/console/helpers/cursor`: allows to manipulate the cursor in the terminal
+* :doc:`/components/console/helpers/tree`: displays tree-like structures
 
 .. _`exit status`: https://en.wikipedia.org/wiki/Exit_status