Convert const West to East const format

[biddisco]

Update clang-format configuration to enforce rules.

[biddisco]

if approved, this could also be added to git hooks - perhaps clang-format supports this already ...

[biddisco]

if approved, this could also be added to git hooks - perhaps clang-format supports this already ...

from clang-format-14 onwards
QualifierAlignment: Right

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.05% (target: -1.00%)	❌ 79.64% (target: 90.00%)

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (b163dbe)	18289	13799	75.45%
Head commit (5bba3b1)	18289 (+0)	13790 (-9)	75.40% (-0.05%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#1288)	221	176	79.64%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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_{Codacy stopped sending the deprecated coverage status on June 5th, 2024. Learn more}

[biddisco]

closing because it would be easier to add a clang-format and let nature take its course y reformatting files each time they are changed/committed

[biddisco]

reopening with clang format change instead of script

[msimberg]

Very nice, thank you!

Can you change the signature for pika::start in the docs to match east-const: https://github.com/pika-org/pika/blob/main/docs/api.rst#pikainithpp? The documentation build is failing because the docs signature doesn't the updated signature in the code anymore.