docs(examples): refactor examples to be more familiar to most users

use npm to install the library and run each example, remove yarn.lock files

examples/node-vanilla/test.js

@@ -1,7 +1,7 @@
 // Node.js should resolve this to the root of the repo. Since the path returns a
 // directory, node will look for the `main` property in `package.json`, which
 // should point to the `main` build.
-var starter = require('../../');
+var starter = require('typescript-starter');
 
 // now we can use the library
 var assert = require('assert');