Task: Add in the scraping code

### Context

implements the scraping code for the pmc cases. 

### Subtasks or Checklist

-[x] scrape pmc for a search query

-[ ] upload code

### Notes / Implementation Details

_No response_

### Assignees (Optional)

_No response_

### Project IDs (Optional)

_No response_

### Code Guidelines

- [x] I agree to follow the Coding Guidelines for this project