feat: Add TF samples for creating a Looker (Google Cloud core) Enterprise instance that uses PSC

looker/looker-core-psc/main.tf

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+/**
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+# [START looker_google_looker_instance_psc]
+# Create an ENTERPRISE edition Looker (Google Cloud core) instance that has PSC enabled.
+resource "google_looker_instance" "default" {
+  name               = "my-instance"
+  platform_edition   = "LOOKER_CORE_ENTERPRISE_ANNUAL"
+  region             = "us-central1"
+  private_ip_enabled = false
+  public_ip_enabled  = false
+  psc_enabled        = true
+  oauth_config {
+    client_id     = "my-client-id"
+    client_secret = "my-client-secret"
+  }
+  psc_config {
+    # allowed_vpcs = ["projects/{project}/global/networks/{network}"]
+    # (Optional) List of VPCs that are allowed ingress into the Looker instance. Set an allowed VPC if you are creating an instance that uses only private IP.
+  }
+}
+# [END looker_google_looker_instance_psc]

looker/looker-core-psc/test.yaml

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+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: blueprints.cloud.google.com/v1alpha1
+kind: BlueprintTest
+metadata:
+  name: looker_core_psc
+spec:
+  skip: true