Add an example with Spring Data JPA

01-dgs-framework-basic-features/.gitignore

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+HELP.md
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+uploaded-images
+.DS_Store

01-dgs-framework-basic-features/README.md

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+Java DGS Framework example (basic features)
+=====
+
+This repository is an example application for the [DGS Framework](https://netflix.github.io/dgs).
+The example is a standalone GraphQL server in Java.
+
+It shows the following features:
+* Datafetchers
+* Mutations
+* DataLoader to prevent the N+1 problem
+* Query testing
+* Using a generated Query API
+* File Upload
+* Using the Gradle codegen plugin
+* A custom instrumentation implementation
+* Subscriptions
+* Testing a subscription
+* Registering an optional scalar from graphql-java
+
+
+Shows and Reviews
+----
+
+This example is built around two main types: Show and Review.
+A `Show` represents a series or movie you would find on Netflix.
+For ease of running the demo, the list of shows is hardcoded in ShowsServiceImpl.
+A show can have `Reviews`.
+Again, for ease of running the demo, a list of reviews is generated during startup for each show in DefaultReviewsService.
+
+Reviews can also be added by users of the API using a mutation, and a GraphQL Subscription is available to watch for added reviews.
+
+There's also a mutation available to add Artwork for a show, demonstrating file uploads.
+Uploaded files are stored in a folder `uploaded-images` in the work directory where the application is started.
+
+Starting the example
+----
+
+The example requires Java 11.
+Run the application in an IDE using its main class or using Gradle: 
+
+```
+./gradlew bootRun
+```
+
+Interact with the application using GraphiQL on http://localhost:8080/graphiql.

02-dgs-framework-with-spring-data-jpa/.gitignore

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+HELP.md
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+uploaded-images
+.DS_Store