comark/table/unclosed-quote · Close every quoted cell

In CSV, a cell that starts with " runs to the next ", commas and line breaks included. One that never closes swallows the rest of the data, so a fence stays code and a ::table renders nothing. Write a quote inside a quoted cell as "".

Incorrect

```csv
pond,note
Mill pond,"14 ducks, 2 herons
Castle moat,3 ducks
```

lint-comark example.mdexample.md:1:1 comark/table/unclosed-quoteThe ```csv fence 1: a quoted cell never ends.Close it with ", and write a quote inside one as "".✖ 1 problem

Correct

```csv
pond,note
Mill pond,"14 ducks, 2 herons"
Castle moat,3 ducks
```

lint-comark example.md✔ No problems