doc: fix link to 'asking for help'

Adapt link after page move.

Fixes #36319
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
diff --git a/README.rst b/README.rst
index 021018c..7665220 100644
--- a/README.rst
+++ b/README.rst
@@ -84,4 +84,4 @@
 .. _Zephyr mailing list subgroups: https://lists.zephyrproject.org/g/main/subgroups
 .. _Sample and Demo Code Examples: http://docs.zephyrproject.org/latest/samples/index.html
 .. _Security: http://docs.zephyrproject.org/latest/security/index.html
-.. _Asking for Help Tips: https://docs.zephyrproject.org/latest/guides/getting-help.html
+.. _Asking for Help Tips: https://docs.zephyrproject.org/latest/getting_started/index.html#asking-for-help