new sample for infinite streaming command line app (#333)

* new sample for infinite streaming command line app

* adding infinite streaming sample to samples folder

* added comments and error handling and ran eslint

* corrected region tag

* fixed reverted merge conflicts and made changes again.

* fixed lint errors

* removed stream from package.json, it is not necessary

* cleaned up comment placements and removed unneeded debugging

* made lint updates

* made lint updates

packages/google-cloud-speech/samples/package.json

@@ -13,7 +13,9 @@
   "dependencies": {
     "@google-cloud/speech": "^2.3.1",
     "@google-cloud/storage": "^2.0.0",
+    "chalk": "^2.4.2",
     "node-record-lpcm16": "^0.3.0",
+    "sox": "^0.1.0",
     "yargs": "^13.0.0"
   },
   "devDependencies": {