fix(cli): add graphql example

docs/site/Examples.md

@@ -43,6 +43,10 @@ LoopBack 4 comes with the following example projects.
   [@loopback/metrics extension](https://github.com/strongloop/loopback-next/blob/master/extensions/metrics)
   and [Prometheus](https://prometheus.io/).
 
+- **[graphql](https://github.com/strongloop/loopback-next/tree/master/examples/graphql)**:
+  An example that demonstrates GraphQL integration using
+  [@loopback/graphql](https://github.com/strongloop/loopback-next/tree/graphql/extensions/graphql).
+
 ### Examples with migration
 
 - **[lb3-application](https://github.com/strongloop/loopback-next/tree/master/examples/lb3-application)**:

packages/cli/generators/example/index.js

@@ -56,8 +56,9 @@ const EXAMPLES = {
   'passport-login': g.f(
     'An example implmenting authentication in a LoopBack application using Passport modules.',
   ),
-  'todo-jwt': g.f('A modified Todo application with JWT authentication'),
-  webpack: g.f('An example to bundle @loopback/core using webpack'),
+  'todo-jwt': g.f('A modified Todo application with JWT authentication.'),
+  webpack: g.f('An example to bundle @loopback/core using webpack.'),
+  graphql: g.f('An example to demonstrate GraphQL integration.'),
 };
 Object.freeze(EXAMPLES);