ci: add PR build check workflow for all platforms

Runs Rust build on macOS (aarch64, x86_64), Linux, and Windows for every PR.

Author: kdroidFilter

.github/workflows/pr-build-check.yml

@@ -0,0 +1,63 @@
+name: PR Build Check
+
+on:
+  pull_request:
+    branches: [main]
+
+jobs:
+  build-rust-macos-aarch64:
+    runs-on: macos-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Build Rust library
+        working-directory: wrywebview
+        run: cargo build --release --target aarch64-apple-darwin
+
+  build-rust-macos-x86_64:
+    runs-on: macos-15-intel
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Build Rust library
+        working-directory: wrywebview
+        run: cargo build --release --target x86_64-apple-darwin
+
+  build-rust-linux:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libgtk-3-dev libwebkit2gtk-4.1-dev libxdo-dev
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Build Rust library
+        working-directory: wrywebview
+        run: cargo build --release --target x86_64-unknown-linux-gnu
+
+  build-rust-windows:
+    runs-on: windows-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Build Rust library
+        working-directory: wrywebview
+        run: cargo build --release --target x86_64-pc-windows-msvc