feat: added endpoint samples and updated docs for language api (#315)

Author: bradmiro

packages/google-cloud-language/README.md

@@ -98,6 +98,7 @@ has instructions for running the samples.
 | Automl Natural Language Model | [source code](https://github.com/googleapis/nodejs-language/blob/master/samples/automlNaturalLanguageModel.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-language&page=editor&open_in_editor=samples/automlNaturalLanguageModel.js,samples/README.md) |
 | Automl Natural Language Predict | [source code](https://github.com/googleapis/nodejs-language/blob/master/samples/automlNaturalLanguagePredict.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-language&page=editor&open_in_editor=samples/automlNaturalLanguagePredict.js,samples/README.md) |
 | Quickstart | [source code](https://github.com/googleapis/nodejs-language/blob/master/samples/quickstart.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-language&page=editor&open_in_editor=samples/quickstart.js,samples/README.md) |
+| Set Endpoint | [source code](https://github.com/googleapis/nodejs-language/blob/master/samples/setEndpoint.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-language&page=editor&open_in_editor=samples/setEndpoint.js,samples/README.md) |
 
 
 

packages/google-cloud-language/linkinator.config.json

@@ -2,6 +2,7 @@
   "recurse": true,
   "skip": [
     "https://codecov.io/gh/googleapis/",
-    "www.googleapis.com"
+    "www.googleapis.com",
+    "setEndpoint.js"
   ]
 }

packages/google-cloud-language/samples/README.md

@@ -20,6 +20,7 @@ analysis, and syntax analysis. This API is part of the larger Cloud Machine Lear
   * [Automl Natural Language Model](#automl-natural-language-model)
   * [Automl Natural Language Predict](#automl-natural-language-predict)
   * [Quickstart](#quickstart)
+  * [Set Endpoint](#set-endpoint)
 
 ## Before you begin
 
@@ -126,6 +127,23 @@ __Usage:__
 
 `node quickstart.js`
 
+-----
+
+
+
+
+### Set Endpoint
+
+View the [source code]https://github.com/googleapis/nodejs-language/blob/master/samples/setEndpoint.js)
+
+[![Open in Cloud shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-language&page=editor&open_in_editor=samples/setEndpoint.js,samples/README.md)
+
+__Usage:__
+
+`node setEndpoint.js`
+
+-----
+