Add vcpkg installation instructions to README and docs

[Copilot]

Syncs documentation with the recently added vcpkg configuration in ports/ds/.

Changes

• README.md: Added vcpkg section under C++ installation with overlay port usage, vcpkg.json example, and CMake integration
• docs/getting-started/installation.md: Added vcpkg section with overlay port setup, vcpkg.json example, and CMake integration

Usage

git clone https://github.com/USTC-KnowledgeComputingLab/ds.git
vcpkg install ds --overlay-ports=./ds/ports

Add to your vcpkg.json:

{
  "dependencies": ["ds"]
}

CMake integration:

find_package(ds CONFIG REQUIRED)
target_link_libraries(your_target PRIVATE ds::ds)

• Fixes vcpkg的配置刚刚添加, 需同步README和docs中的Installation部分. #63

Original prompt

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This section details on the original issue you should resolve

<issue_title>vcpkg的配置刚刚添加, 需同步README和docs中的Installation部分.</issue_title>
<issue_description></issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes vcpkg的配置刚刚添加, 需同步README和docs中的Installation部分. #63

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[hzhangxyz]

去掉

Or configure in `vcpkg-configuration.json`:

{
  "overlay-ports": ["./ds/ports"]
}

这个介绍, vcpkg install 后直接说将 dependencies: [ds] 加到 vcpkg.json 中, 以及后面的

find_package(ds CONFIG REQUIRED)
target_link_libraries(your_target PRIVATE ds::ds)

[Copilot]

Pull request overview

This PR adds vcpkg installation instructions to both the README and documentation, synchronizing them with the recently added vcpkg configuration in ports/ds/.

• Adds vcpkg installation section with overlay port usage and vcpkg.json configuration examples
• Documents CMake integration pattern for consuming the installed package (in docs only)
• Provides two installation approaches: command-line overlay and vcpkg-configuration.json

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
README.md	Adds vcpkg installation section under C++ installation with overlay port setup and vcpkg.json example
docs/getting-started/installation.md	Adds comprehensive vcpkg section including overlay port setup, vcpkg-configuration.json, vcpkg.json usage, and CMake integration example

---

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[Copilot]

The vcpkg section in README.md is missing the CMake integration example that is present in the documentation file (installation.md). Users reading the README would benefit from seeing the complete usage pattern including find_package(ds CONFIG REQUIRED) and target_link_libraries(your_target PRIVATE ds::ds), as this shows how to actually use the installed package in their projects.

Suggested change

	#### CMake Integration Example
	After installing with vcpkg, you can use the library in your CMake project as follows:
	```cmake
	find_package(ds CONFIG REQUIRED)
	target_link_libraries(your_target PRIVATE ds::ds)

[Copilot]

去掉

Or configure in `vcpkg-configuration.json`:...

Done in 19f867a. Removed the vcpkg-configuration.json section from both files, kept the vcpkg install command followed by vcpkg.json dependencies and CMake integration (find_package and target_link_libraries).