Hiding specific subjects and authors from book search results

### Problem

Dear developers,
Can you please add the ability to hide specific subjects, authors, languages, publishers from OpenLibrary book search results?
I appreciate you considering my suggestion.

### Proposal & Constraints

### What is the proposed solution / implementation?

### Is there a precedent of this approach succeeding elsewhere?

### Which suggestions or requirements should be considered for how feature needs to appear or be implemented?

### Leads

### Related files

### Stakeholders

### Instructions for Contributors

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