[corpus] remarkjs/remark

### Project name

remark

### Repository URL

https://github.com/remarkjs/remark

### License (SPDX)

MIT

### Proposed pin

360840f0c0e4c8a274e525cc5d7fb4939d922b73

### What does it cover that the current corpus does not?

JavaScript monorepo, ESM exports, parser/plugin, AST, and JSDoc/type-declaration patterns.

### Size and maintenance

~12 seconds under skylos