Add debugging run script

With this script one can easily launch a debuggable instance of the
current source code and then use vscode's debugger to attach to it.

.vscode/launch.json

@@ -0,0 +1,17 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Attach",
+            "port": 9229,
+            "request": "attach",
+            "skipFiles": [
+                "<node_internals>/**"
+            ],
+            "type": "pwa-node"
+        }
+    ]
+}

README.md

@@ -29,4 +29,5 @@ Execute the scripts with `npm run <script>`
 - `lint` - Runs `eslint` and checks for code styling problems
 - `build` - Compile the TypeScript Source to `dist/`
 - `test` - Runs `lint`, `find-todo` and `mocha` in order
+- `debug` - Start the `./src/main.ts` with node and start the debugger on port 9229
 - `start` - Run `test` and `build`, then try and execute the `./dist/main.js` in the `./dist` directory to test

package.json

@@ -10,6 +10,7 @@
     "lint": "eslint .",
     "build": "rimraf ./dist && tsc",
     "test": "npm run lint && npm run find-todo && npm run mocha",
+    "debug": "node --inspect -r ts-node/register src/main",
     "start": "npm test && npm run build && node ./dist/main.js",
     "prepublish": "npm test && npm run build"
   },