[Wip] - Reorganize examples #18984

Job	Run time
shellcheck	7s
build (9.10.2, ubuntu-latest)	11m 39s
build (9.8.4, ubuntu-latest)	11m 40s
build (9.12.2, ubuntu-latest)	11m 38s
build (9.6.7, ubuntu-latest)	11m 41s
Check branch history	11s
cabal-format	8s
Check if formal-ledger-specifications SRP is valid	15s
gen-hie	7m 9s
fourmolu	46s
${{ matrix.package }}-${{ matrix.ghc }}-${{ matrix.os }}	1s
Tests completed	3s
codegen	1s
Send a slack notification on \#ledger-internal if the nightly build failed	1s
	55m 20s

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