Update Sanity example for App Router #87

Job	Run time
Determine changes	11s
validate-docs-links	7s
build-native / build	1s
build-next / build	1s
test unit (18) / build	1s
test unit (20) / build	1s
lint	0s
types and precompiled	0s
rust check	0s
test cargo unit	0s
test turbopack dev	0s
rustdoc check	0s
test turbopack integration	0s
test next-swc wasm	0s
test next-swc wasi	0s
test dev	0s
test firefox and safari	0s
test integration	0s
test prod	0s
test ppr dev	0s
test ppr integration	0s
test ppr prod	0s
report test results to datadog	3s
thank you, next	1s
	26s

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