pr.md

## Docs

- Added tutorials from Getting Started series to the docs site
- Adding instructions to use helm chart to docs https://github.com/dgraph-io/dgraph/pull/4337
- Adding instructions to publish helm chart using Chart-Releaser https://github.com/dgraph-io/charts/pull/4
- Obtain unique results by using variables https://github.com/dgraph-io/dgraph/pull/4131
- List of valid predicate names https://github.com/dgraph-io/dgraph/pull/4186
- More description about mutation flag https://github.com/dgraph-io/dgraph/pull/4164
- Adding JSON upsert examples in docs https://github.com/dgraph-io/dgraph/pull/4104
- Updating sort example query https://github.com/dgraph-io/dgraph/pull/4059
- Added instructions to query with graphql vars https://github.com/dgraph-io/dgraph/pull/3868
- Added DGRAPH_ENDPOINT for docs site for testing executables in any address https://github.com/dgraph-io/dgraph/pull/3764
- Docs for encryption in Dgraph https://github.com/dgraph-io/dgraph/pull/4363 https://github.com/dgraph-io/dgraph/pull/4469
- Adding more information about /health and /state endpoint https://github.com/dgraph-io/dgraph/pull/4456
- Minor fix for multi-host setup docs https://github.com/dgraph-io/dgraph/pull/4736
- Improving expand function documentation https://github.com/dgraph-io/dgraph/pull/4795
- Updating prometheus metrics documentation https://github.com/dgraph-io/dgraph/pull/5089