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/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "typescript-starter-example-node-vanilla",
+  "version": "1.0.0",
+  "license": "MIT",
+  "scripts": {
+    "start": "node test.js"
+  },
+  "dependencies": {
+    "typescript-starter": "^1.2.1"
+  },
+  "private": true
+}