Add a pass to outline computations in a function #1696

Job	Run time
Examples Conda Py3	1m 29s
Documentation	1m 52s
Tests for downstream project meshmode	15m 41s
Mypy	1m 57s
Tests for downstream project grudge	10m 42s
Pylint	1m 51s
Tests for downstream project mirgecom	2s
Pytest Conda Py3 Intel	2m 18s
Tests for downstream project mirgecom_examples	3s
Pytest Conda Py3 POCL	2m 27s
Ruff	6s
Typos	6s
	38m 34s

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