use GITHUB_WORKSPACE instead of hardcoded dir winCI (#489)

* use GITHUB_WORKSPACE instead of hardcoded dir winCI

* add status badge for windows build

* change name windows build for consistency

Author: knmcguire

.github/workflows/rust-win.yml

@@ -1,4 +1,4 @@
-name: Rust ROS 2 Windows build
+name: Rust Windows
 
 on:
   push:
@@ -26,7 +26,7 @@ jobs:
         run: |
           mkdir C:\workspace\src
           mkdir C:\pixi_ws
-          xcopy /E /I /Y D:\a\ros2_rust\ros2_rust C:\workspace\src\ros2_rust
+          xcopy /E /I /Y $env:GITHUB_WORKSPACE C:\workspace\src\ros2_rust
 
       - name: Get pixi toml file
         run: irm https://raw.githubusercontent.com/ros2/ros2/refs/heads/rolling/pixi.toml -OutFile C:\pixi_ws\pixi.toml
@@ -85,4 +85,4 @@ jobs:
             )
           )
         shell: cmd
-        working-directory: C:\workspace
+        working-directory: C:\workspace

README.md

@@ -3,6 +3,7 @@ ROS 2 for Rust
 
 [![Minimal Version Status](https://github.com/ros2-rust/ros2_rust/actions/workflows/rust-minimal.yml/badge.svg?branch=main)](https://github.com/ros2-rust/ros2_rust/actions/workflows/rust-minimal.yml)
 [![Stable CI Status](https://github.com/ros2-rust/ros2_rust/actions/workflows/rust-stable.yml/badge.svg?branch=main)](https://github.com/ros2-rust/ros2_rust/actions/workflows/rust-stable.yml)
+[![Win CI Status](https://github.com/ros2-rust/ros2_rust/actions/workflows/rust-win.yml/badge.svg?branch=main)](https://github.com/ros2-rust/ros2_rust/actions/workflows/rust-win.yml)
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
 
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