Add CI workflows to build the project for all target platforms

.github/workflows/build-java.yaml

@@ -0,0 +1,41 @@
+on: [push, pull_request]
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        java: [
+          21,
+        ]
+        os: [
+          macos-14,
+          ubuntu-24.04,
+          windows-2022,
+        ]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: checkout repository
+        uses: actions/checkout@v4
+      - name: validate gradle wrapper
+        uses: gradle/actions/wrapper-validation@v3
+      - name: setup jdk ${{ matrix.java }}
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: ${{ matrix.java }}
+      - name: make gradle wrapper executable
+        if: ${{ runner.os != 'Windows' }}
+        run: chmod +x ./gradlew
+      - name: setup gradle
+        uses: gradle/actions/setup-gradle@v3
+        with:
+          cache-read-only: ${{ github.ref != 'refs/heads/stardust' }}
+      - name: build
+        run: ./gradlew build --warning-mode=all
+      - name: capture build artifacts
+        if: ${{ runner.os == 'Linux' && matrix.java == '21' }}
+        uses: actions/upload-artifact@v4
+        with:
+          name: battery-artifacts
+          path: build/libs
+          if-no-files-found: error

.github/workflows/build-natives.yaml

@@ -0,0 +1,41 @@
+on: [push, pull_request]
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        platform:
+          - os: macos-14
+            extension: dylib
+            target: x86_64-apple-darwin
+          - os: macos-14
+            extension: dylib
+            target: aarch64-apple-darwin
+          - os: ubuntu-24.04
+            extension: so
+            target: x86_64-unknown-linux-gnu
+          - os: ubuntu-24.04
+            extension: so
+            target: aarch64-unknown-linux-gnu
+          - os: windows-2022
+            extension: dll
+            target: x86_64-pc-windows-msvc
+          - os: windows-2022
+            extension: dll
+            target: aarch64-pc-windows-msvc
+    runs-on: ${{ matrix.platform.os }}
+    steps:
+      - name: checkout repository
+        uses: actions/checkout@v4
+      - name: build
+        uses: houseabsolute/actions-rust-cross@v0
+        with:
+          command: build
+          args: "--release"
+          target: ${{ matrix.platform.target }}
+      - name: capture build artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          if-no-files-found: error
+          name: battery-jni-${{ matrix.platform.os }}-${{ matrix.platform.target }}
+          path: target/${{ matrix.platform.target }}/release/*.${{ matrix.platform.extension }}

build.gradle.kts

@@ -72,8 +72,8 @@ publishing {
             url = uri("https://maven.lostluma.net/releases")
 
             credentials {
-                username = project.property("maven.username").toString()
-                password = project.property("maven.password").toString()
+                username = project.properties["maven.username"].toString()
+                password = project.properties["maven.password"].toString()
             }
         }
     }