angular-demo-template/README.md

```
npm add apollo-angular
ng add apollo-angular
npm add graphql
npm add --save-dev @graphql-codegen/cli
npm i
```

* init codegen
```
npx graphql-codegen init
npm i
```
* check angular
* use url "http://localhost:400"
* fragment path default
* plugin default
* output default

* set uri in graphql module
* move
    * graphql.module