docs: add frontmatter title to all docs pages (#6254)

Signed-off-by: Dan Gil <dagil@nvidia.com>
Co-authored-by: Cursor <cursoragent@cursor.com>

docs/pages/templates/component-readme.md

 ---
 # SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
+title: Component README
 ---
 
 {/* 2-3 sentence overview of what this component does and its role in Dynamo */}

docs/pages/templates/feature-backend.md

 ---
 # SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
+title: Feature Backend
 ---
 
 Using `<Feature>` with the `<Backend>` backend.

docs/pages/templates/feature-readme.md

 ---
 # SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
+title: Feature README
 ---
 
 {/* 2-3 sentence overview of this cross-cutting feature */}

docs/pages/templates/incode-readme.md

 ---
 # SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
+title: In-Code README
 ---
 
 {/* One-sentence description */}

docs/pages/templates/infrastructure-readme.md

 ---
 # SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
+title: Infrastructure README
 ---
 
 {/* 2-3 sentence overview of this infrastructure topic. */}

docs/pages/templates/integration-readme.md

 ---
 # SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
+title: Integration README
 ---
 
 {/* 2-3 sentence overview of this external integration */}