chore: import upstream snapshot with attribution

docs/en/integrations/dataproc/source.md

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+---
+title: "Dataproc Clusters Source"
+linkTitle: "Source"
+type: docs
+weight: 1
+description: >
+  Google Cloud Dataproc Clusters lets you provision and manage Apache Spark and Hadoop clusters.
+no_list: true
+---
+
+## About
+
+The [Dataproc
+Clusters](https://cloud.google.com/dataproc/docs/concepts/overview) source
+allows Toolbox to interact with Dataproc Clusters hosted on Google Cloud.
+
+## Available Tools
+
+{{< list-tools >}}
+
+## Requirements
+
+### IAM Permissions
+
+Dataproc uses [Identity and Access Management
+(IAM)](https://cloud.google.com/dataproc/docs/concepts/iam/iam) to control user
+and group access to Dataproc resources.
+
+Toolbox will use your [Application Default Credentials
+(ADC)](https://cloud.google.com/docs/authentication#adc) to authorize and
+authenticate when interacting with Dataproc. When using this method, you need to
+ensure the IAM identity associated with your ADC has the correct
+[permissions](https://cloud.google.com/dataproc/docs/concepts/iam/iam)
+for the actions you intend to perform. Common roles include
+`roles/dataproc.editor` or `roles/dataproc.viewer`. Follow this
+[guide](https://cloud.google.com/docs/authentication/provide-credentials-adc) to
+set up your ADC.
+
+## Example
+
+```yaml
+kind: source
+name: my-dataproc-source
+type: dataproc
+project: my-project
+region: us-central1
+```
+
+## Reference
+
+| **field** | **type** | **required** | **description**                                    |
+| --------- | :------: | :----------: | -------------------------------------------------- |
+| type      |  string  |     true     | Must be "dataproc".                                |
+| project   |  string  |     true     | ID of the GCP project with Dataproc resources.     |
+| region    |  string  |     true     | Region containing Dataproc resources.            |