docs: add Lula to the OPA ecosystem #10553

Job	Run time
Generate Code	1m 5s
YAML Lint	14s
Go Lint	1m 31s
Rego PR checks	1m 26s
WASM	8s
Check Generated	28s
Go Build (linux amd64)	2m 23s
Go compat build/test (ubuntu-22.04, 1.21)	3m 56s
Go Test (linux)	4m 22s
Go Build (linux arm64)	1m 57s
Go compat build/test (macos-14, 1.21)	4m 14s
Go Race Detector	6m 9s
Go Test (darwin)	4m 48s
Go Build (linux arm64GO_TAGS="-tags=opa_no_oci")	1m 59s
Go Build (windows amd64)	2m 28s
Go Build (darwin amd64)	1m 27s
Go Build (darwin arm64)	43s
docker image smoke test	36s
smoke-test-binaries (linux, ubuntu-22.04, opa_linux_amd64, amd64)	10s
smoke-test-binaries (linux, ubuntu-22.04, opa_linux_amd64_static, amd64, disabled)	25s
smoke-test-binaries (darwin, macos-13, opa_darwin_amd64, amd64)	28s
smoke-test-binaries (darwin, macos-14, opa_darwin_arm64_static, arm64, disabled)	14s
smoke-test-binaries (windows, windows-latest, opa_windows_amd64.exe, amd64)	25s
	41m 36s

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