feat(cli): frecency file autocomplete

[galkatz373]

Added support for frecency (frequency + recency) to the file autocomplete in the cli.

For example after I selected the new file

packages/opencode/src/cli/cmd/tui/component/prompt/frecency.tsx

and opened the file autocomplete again.

Before:

https://github.com/user-attachments/assets/258379dc-a89f-4206-8286-8d9f6458bb35

After

https://github.com/user-attachments/assets/9914a2ec-aac2-435e-80eb-acc97f0a766b