chore: Add copyright header

website/docs/part_A_context_knowledge/product_development/A1_integration_approval/index.md

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+<!-- Copyright (c) 2024 Contributors to the Eclipse Foundation
+
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+https://creativecommons.org/licenses/by/4.0/legalcode .
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+distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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+SPDX-License-Identifier: CC-BY-4.0 -->
+
 # A1 Integration Approval
 
 This attachment documents the Integration Approval as referenced in the [Component Lifecycle Process](../index.md).