docs: individual package support (#1479)

docs: refactor doc scripts for modularization

Author: callmehiphop

packages/google-cloud-language/package.json

@@ -66,7 +66,7 @@
     "proxyquire": "^1.7.10"
   },
   "scripts": {
-    "publish": "../../scripts/publish.sh",
+    "publish": "../../scripts/publish.js language",
     "test": "mocha test/*.js",
     "system-test": "mocha system-test/*.js --no-timeouts --bail"
   },