[Wip] - Reorganize examples #18985

Job	Run time
fourmolu	42s
build (9.8.4, ubuntu-latest)	8m 34s
build (9.10.2, ubuntu-latest)	9m 29s
build (9.6.7, ubuntu-latest)	9m 9s
cabal-format	6s
shellcheck	6s
build (9.12.2, ubuntu-latest)	8m 29s
gen-hie	7m 5s
Check branch history	13s
Check if formal-ledger-specifications SRP is valid	16s
Tests completed	3s
${{ matrix.package }}-${{ matrix.ghc }}-${{ matrix.os }}	1s
codegen	1s
Send a slack notification on \#ledger-internal if the nightly build failed	1s
	44m 15s

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