Release Databricks connector! (#369)

registry/hasura/databricks/README.md

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+# Databricks Connector
+
+[![Docs](https://img.shields.io/badge/docs-v3.x-brightgreen.svg?style=flat)](https://hasura.io/docs/3.0/getting-started/overview/)
+[![License](https://img.shields.io/badge/license-Apache--2.0-purple.svg?style=flat)](LICENSE.txt)
+[![Status](https://img.shields.io/badge/status-alpha-yellow.svg?style=flat)](./readme.md)
+
+With this connector, Hasura allows you to instantly create a real-time GraphQL API on top of your data models in Databricks.
+This connector supports Databricks's functionalities listed in the table below, allowing for efficient and scalable data
+operations. Additionally, users benefit from all the powerful features of Hasura’s Data Delivery Network (DDN) platform,
+including query pushdown capabilities that delegate query operations to the database, thereby enhancing query
+optimization and performance.
+
+This connector implements the [Data Connector Spec](https://github.com/hasura/ndc-spec).
+
+- [Connector information in the Hasura Hub](https://hasura.io/connectors/databricks)
+- [Hasura V3 Documentation](https://hasura.io/docs/3.0)
+
+## Features
+
+Below, you'll find a matrix of all supported features for the Databricks connector:
+
+| Feature                         | Supported | Notes |
+| ------------------------------- | --------- | ----- |
+| Native Queries + Logical Models | ❌        |       |
+| Native Mutations                | ❌        |       |
+| Simple Object Query             | ✅        |       |
+| Filter / Search                 | ✅        |       |
+| Simple Aggregation              | ✅        |       |
+| Sort                            | ✅        |       |
+| Paginate                        | ✅        |       |
+| Table Relationships             | ❌        |       |
+| Views                           | ✅        |       |
+| Remote Relationships            | ❌        |       |
+| Custom Fields                   | ❌        |       |
+| Mutations                       | ❌        |       |
+| Distinct                        | ❌        |       |
+| Enums                           | ❌        |       |
+| Naming Conventions              | ❌        |       |
+| Default Values                  | ❌        |       |
+| User-defined Functions          | ❌        |       |
+
+## Prerequisites
+
+1. Create a [Hasura Cloud account](https://console.hasura.io)
+2. Please ensure you have the [DDN CLI](https://hasura.io/docs/3.0/cli/installation) and
+   [Docker](https://docs.docker.com/engine/install/) installed
+3. [Create a supergraph](https://hasura.io/docs/3.0/getting-started/init-supergraph)
+4. [Create a subgraph](https://hasura.io/docs/3.0/getting-started/init-subgraph)
+
+## Using the Databricks connector
+
+With the [context set](https://hasura.io/docs/3.0/cli/commands/ddn_context_set/) for an existing subgraph, initialize
+the connector:
+
+```sh
+ddn connector init -i
+```
+
+When the wizard runs, you'll be prompted to enter the following env vars necessary for your connector to function:
+
+| Name                    | Description                    | Required |
+|-------------------------|--------------------------------|----------|
+| DATABRICKS_JDBC_URL     | JDBC URL of your Databricks DB | Yes      |
+| DATABRICKS_ACCESS_TOKEN | Personal access token          | Yes      |
+
+
+After the CLI initializes the connector, you'll need to:
+
+- [Introspect](https://hasura.io/docs/3.0/cli/commands/ddn_connector_introspect) the source.
+- Add your [models](https://hasura.io/docs/3.0/cli/commands/ddn_model_add),
+  [commands](https://hasura.io/docs/3.0/cli/commands/ddn_command_add), and
+  [relationships](https://hasura.io/docs/3.0/cli/commands/ddn_relationship_add).
+- Create a [new build](https://hasura.io/docs/3.0/cli/commands/ddn_supergraph_build_local).
+- Test it by [running your project along with the connector](https://hasura.io/docs/3.0/cli/commands/ddn_run#examples).
+
+## License
+
+The Hasura Cassandra connector is available under the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0).

registry/hasura/databricks/metadata.json

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+{
+  "overview": {
+    "namespace": "hasura",
+    "description": "The Databricks Native Data Connector allows for connecting to a Databricks instance giving you an instant GraphQL API on top of your Databricks data.",
+    "title": "Databricks Native Data Connector",
+    "logo": "logo.png",
+    "tags": [
+      "database"
+    ],
+    "latest_version": "v0.1.7"
+  },
+  "author": {
+    "support_email": "[email protected]",
+    "homepage": "https://hasura.io",
+    "name": "Hasura"
+  },
+  "is_verified": true,
+  "is_hosted_by_hasura": false,
+  "source_code": {
+    "is_open_source": true,
+    "repository": "https://github.com/hasura/ndc-databricks/",
+    "version": [
+      {
+        "tag": "v0.1.7",
+        "hash": "c04744ae937a818073fdf12534c6c59e05a22be8",
+        "is_verified": true
+      }
+    ]
+  }
+}

registry/hasura/databricks/releases/v0.1.7/connector-packaging.json

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+{
+  "version": "v0.1.7",
+  "uri": "https://github.com/hasura/ndc-databricks/releases/download/v0.1.7/connector-definition.tgz",
+  "checksum": {
+    "type": "sha256",
+    "value": "3945ed39f172bee9e142001774f007f3fd0056cf97a548ce047073a9c966f99e"
+  },
+  "source": {
+    "hash": "c04744ae937a818073fdf12534c6c59e05a22be8"
+  }
+}