example: Add Heap Task Tracking example

docs/en/api-reference/system/heap_debug.rst

@@ -117,6 +117,16 @@ Calls to :cpp:func:`heap_caps_check_integrity` may print errors relating to 0xFE
 - For free heap blocks, the checker expects to find all bytes set to 0xFE. Any other values indicate a use-after-free bug where free memory has been incorrectly overwritten.
 - For allocated heap blocks, the behaviour is the same as for `Light Impact` mode. The canary bytes 0xABBA1234 and 0xBAAD5678 are checked at the head and tail of each allocated buffer, and any variation indicates a buffer overrun/underrun.
 
+.. _heap-task-tracking:
+
+Heap Task Tracking
+------------------
+
+Heap Task Tracking can be used to get per task info for heap memory allocation.
+Application has to specify the heap capabilities for which the heap allocation is to be tracked.
+
+Example code is provided in :example:`system/heap_task_tracking`
+
 .. _heap-tracing:
 
 Heap Tracing