chore(read-chunk): add JSDoc

@vates/read-chunk/index.js

@@ -1,5 +1,12 @@
 'use strict'
 
+/**
+ * Read a chunk of data from a stream.
+ *
+ * @param {Readable} stream - A readable stream to read from.
+ * @param {number} size - The number of bytes to read.
+ * @returns {Promise<Buffer|null>} - A Promise that resolves to a Buffer of up to size bytes if available, or null if end of stream is reached. The Promise is rejected if there is an error while reading from the stream.
+ */
 const readChunk = (stream, size) =>
   stream.closed || stream.readableEnded
     ? Promise.resolve(null)
@@ -33,6 +40,13 @@ const readChunk = (stream, size) =>
       })
 exports.readChunk = readChunk
 
+/**
+ * Read a chunk of data from a stream.
+ *
+ * @param {Readable} stream - A readable stream to read from.
+ * @param {number} size - The number of bytes to read.
+ * @returns {Promise<Buffer>} - A Promise that resolves to a Buffer of size bytes. The Promise is rejected if there is an error while reading from the stream.
+ */
 exports.readChunkStrict = async function readChunkStrict(stream, size) {
   const chunk = await readChunk(stream, size)
   if (chunk === null) {