json-storage service based on wsutil
import { fetchJSON } from "https://js.sabae.cc/fetchJSON.js";
const res = await fetchJSON("/api/path/file", jsonvalue);
import { fetchJSON } from "https://js.sabae.cc/fetchJSON.js";
const res = JSON.stringify(await fetchJSON("/api/path/file"));
deno serve --port 8888 --hostname "[::]" -A json-storage.js