No configuration for route "/blog/:title" found.

## 🐞 Bug report

the command
```
ng generate @scullyio/init:post --name="This is my post"
```

does not update config. it's still empty: 

```
exports.config = {
  projectRoot: "./src",
  projectName: "blog",
  outDir: './dist/static',
  routes: {
  }
};
```