support nodejs (#438)

scripts/nodejs/package.json.in

@@ -0,0 +1,50 @@
+{
+  "name": "sherpa-onnx",
+  "version": "SHERPA_ONNX_VERSION",
+  "description": "Real-time speech recognition with Next-gen Kaldi",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/k2-fsa/sherpa-onnx.git"
+  },
+  "keywords": [
+    "speech to text",
+    "text to speech",
+    "transcription",
+    "real-time speech recognition",
+    "without internet connect",
+    "embedded systems",
+    "open source",
+    "zipformer",
+    "asr",
+    "tts",
+    "stt",
+    "c++",
+    "onnxruntime",
+    "onnx",
+    "ai",
+    "next-gen kaldi",
+    "offline",
+    "privacy",
+    "open source",
+    "streaming speech recognition",
+    "speech",
+    "recognition"
+  ],
+  "author": "The next-gen Kaldi team",
+  "license": "Apache-2.0",
+  "bugs": {
+    "url": "https://github.com/k2-fsa/sherpa-onnx/issues"
+  },
+  "homepage": "https://github.com/k2-fsa/sherpa-onnx#readme",
+  "dependencies": {
+    "ffi-napi": "^4.0.3",
+    "npm": "^6.14.18",
+    "ref-array-napi": "^1.2.2",
+    "ref-napi": "^3.0.3",
+    "ref-struct-napi": "^1.1.1"
+  }
+}