docs: render site footer only on the homepage (#207) #876

Job	Run time
Gate (skip full CI for version PRs?)	4s
📦 Pack validation	26s
🕵 Lint	24s
📊 Benchmark (fixture)	17s
✅ Typecheck	20s
🧰 Build	28s
🤖 Action smoke (dogfood)	11s
🔬 Test	1m 8s
🛡 Audit	22s
💅 Format	21s
📖 Docs site	50s
CI complete	3s
	4m 54s

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