[Feature Request] Export binary Buffer without generating a new file

[LolipopJ]

[huan]

This would be a great feature and convenient for production usage!

[LolipopJ]

Closed as v1.3.0 implements the feature.

---

In Node.js:

const convertRes = await mdimg({
  inputFilename: "path/to/input.md",
  encoding: "blob",
});

writeFileSync("path/to/output.png", convertRes.data);

With CLI:

mdimg -i path/to/input.md -e blob