refactor: Drop `config/` folder, save templates to charts, and move to `examples/` #6273

Job	Run time
coverage-rust	28m 39s
Helm unittest	14s
Shellcheck	7s
Check if the generated code is up to date	9m 40s
Spelling check	5s
Detect changes	7s
Golangci-lint	1m 7s
Go tests	4m 54s
Go e2e tests	32m 42s
Check kwctl (${{ matrix.os }})	0s
Check if the kwctl reference documentation is up to date	0s
Validate Hauler manifest	0s
Build kwctl	-1s
Calculate crates matrix	-1s
Integration tests (policy-evaluator)	0s
Rustfmt (${{ matrix.crate }})	0s
E2E tests (burrego)	0s
E2E tests sigstore (kwctl)	0s
Integration tests (policy-server)	0s
E2E tests sigstore (policy-server)	0s
E2E tests (kwctl)	0s
Clippy (${{ matrix.crate }})	0s
Unit tests (${{ matrix.crate }})	0s
CI Success	5s
	1h 17m 38s

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