fix(cachyllama): link SSD cache implementation

CachyLLaMA splits persistent prompt-cache support into separate source files. Include those implementations in the monolithic LocalAI gRPC adapter when the fork provides them so the ARM64 fallback build resolves the page-manager symbols.

Assisted-by: Codex:gpt-5 [Codex]
Signed-off-by: Ettore Di Giacinto <mudler@localai.io>
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