git clone git@github.com:PolymerLabs/lit-element-starter-ts.git
npm run build:watch
npm run serve
http://localhost:8000/dev/Edit src/my-element.ts
git clone git@github.com:PolymerLabs/lit-element-starter-ts.git
npm run build:watch
npm run serve
http://localhost:8000/dev/Edit src/my-element.ts
