Add JetBrains Rider IDE

[azatsarynnyy]

What does this PR do?

Enables JetBrains Rider IDE as an additional editor.

Screenshot/screencast of this PR

What issues does this PR fix or reference?

eclipse-che/che#23228

How to test this PR?

1. Prepare a patch file if needed:

cat > /tmp/cr-patch.yaml <<EOF
apiVersion: org.eclipse.che/v2
kind: CheCluster
spec: {}
EOF

2. Deploy the operator:

OpenShift

./build/scripts/olm/test-catalog-from-sources.sh --cr-patch-yaml /tmp/cr-patch.yaml

on Minikube

./build/scripts/minikube-tests/test-operator-from-sources.sh --cr-patch-yaml /tmp/cr-patch.yaml

PR Checklist

As the author of this Pull Request I made sure that:

• The Eclipse Contributor Agreement is valid
• Code produced is complete
• Code builds without errors
• Tests are covering the bugfix
• Development resource are up to date
• The repository devfile is up to date and works
• Sections What issues does this PR fix or reference and How to test this PR completed
• Relevant user documentation updated
• Relevant contributing documentation updated
• CI/CD changes implemented, documented and communicated

Reviewers

Reviewers, please comment how you tested the PR when approving it.

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: azatsarynnyy

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