Add terradraw sample (#511)

* Add terradraw sample

* Update terra-draw to latest and remove package-lock.json

* Fix build issues by updating tsconfig and adding types

* Add test script to package.json

* Adds region tags to index.html

Adds region tags

* Adds region tags to index.ts

* Adds region tags to style.css

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Co-authored-by: William French <[email protected]>

Author: anglarett

samples/map-drawing-terradraw/README.md

@@ -0,0 +1,40 @@
+# Basic Terra Draw with Google Maps API Sample
+
+This sample demonstrates a basic implementation of Terra Draw with the Google Maps JavaScript API. It includes various drawing modes such as Point, LineString, Polygon, Rectangle, Circle, and Freehand.
+
+![Roadmap View](./screenshots/roadmap-draw.png)
+![Satellite View](./screenshots/satellite-draw.png)
+
+# Google Maps JavaScript Sample
+
+This sample is generated from @googlemaps/js-samples located at
+https://github.com/googlemaps-samples/js-api-samples.
+
+## Setup
+
+### Before starting run:
+
+`$npm i`
+
+### Run an example on a local web server
+
+First `cd` to the folder for the sample to run, then:
+
+`$npm start`
+
+### Build an individual example
+
+From `samples/`:
+
+`$npm run build --workspace=sample-name/`
+
+### Build all of the examples.
+
+From `samples/`:
+`$npm run build-all`
+
+## Feedback
+
+For feedback related to this sample, please open a new issue on
+[GitHub](https://github.com/googlemaps-samples/js-api-samples/issues).
+