🔀 Merge branch 'devel' into release

- README.md is updated
  - description is added
  - image URL of badge is fixed
- package.json is updated
  - keywords are added
  - license is added

Signed-off-by: kei-g <km.8k6ce+github@gmail.com>

README.md

@@ -1,3 +1,5 @@
-# async-iterable-queue [![License](https://img.shields.io/github/license/kei-g/async-iterable-queue)](https://opensource.org/licenses/BSD-3-Clause) [![Libraries.io dependency status for latest release](https://img.shields.io/librariesio/release/npm/async-iterable-queue)](https://npmjs.com/package/async-iterable-queue?activeTab=dependencies) [![Travis CI](https://img.shields.io/travis/com/kei-g/async-iterable-queue?logo=travis&style=flat)](https://www.travis-ci.com/github/kei-g/async-iterable-queue) [![npm](https://img.shields.io/npm/v/async-iterable-queue&style=flat)](https://npmjs.com/package/async-iterable-queue)
+# async-iterable-queue [![License](https://img.shields.io/github/license/kei-g/async-iterable-queue)](https://opensource.org/licenses/BSD-3-Clause) [![Libraries.io dependency status for latest release](https://img.shields.io/librariesio/release/npm/async-iterable-queue)](https://npmjs.com/package/async-iterable-queue?activeTab=dependencies) [![Travis CI](https://img.shields.io/travis/com/kei-g/async-iterable-queue?logo=travis)](https://www.travis-ci.com/github/kei-g/async-iterable-queue) [![npm](https://img.shields.io/npm/v/async-iterable-queue)](https://npmjs.com/package/async-iterable-queue)
 
 [![npms.io (maintenance)](https://img.shields.io/npms-io/maintenance-score/async-iterable-queue)](https://npms.io/search?q=async-iterable-queue) [![npms.io (quality)](https://img.shields.io/npms-io/quality-score/async-iterable-queue)](https://npms.io/search?q=async-iterable-queue)
+
+Async Iterable Queue

package.json

@@ -29,6 +29,15 @@
     "lib"
   ],
   "homepage": "https://github.com/kei-g/async-iterable-queue",
+  "keywords": [
+    "async",
+    "asynchronous",
+    "asynciterable",
+    "asynciterator",
+    "iterable",
+    "queue"
+  ],
+  "license": "BSD-3-Clause",
   "name": "async-iterable-queue",
   "nyc": {
     "branches": 93,