Prepare for 1.0 release (#6)

Java 11, no slf4j, user-configurable context, Maven build, GH actions

.github/workflows/maven-deploy.yml

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+name: Maven Deploy
+
+on:
+  push:
+    branches: [ "master" ]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Maven Central Repository
+        uses: actions/setup-java@v4
+        with:
+          java-version: '11'
+          distribution: 'temurin'
+          server-id: ossrh
+          server-username: MAVEN_USERNAME
+          server-password: MAVEN_PASSWORD
+
+      - name: Publish package
+        run: mvn --batch-mode deploy
+        env:
+          MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+          MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}

.github/workflows/maven-release.yml

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+name: Maven Release
+
+on:
+  release:
+    types: [ created ]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Maven Central Repository
+        uses: actions/setup-java@v4
+        with:
+          java-version: '11'
+          distribution: 'temurin'
+          server-id: ossrh
+          server-username: MAVEN_USERNAME
+          server-password: MAVEN_PASSWORD
+
+      - name: Install GPG secret key
+        run: |
+          cat <(echo -e "${{ secrets.OSSRH_GPG_SECRET_KEY }}") | gpg --batch --import
+          gpg --list-secret-keys --keyid-format LONG
+
+      - name: Publish package
+        run: mvn --batch-mode -Dgpg.passphrase=${{ secrets.OSSRH_GPG_SECRET_KEY_PASSWORD }} clean deploy -P release
+        env:
+          MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+          MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}

.github/workflows/maven.yml

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+name: Java CI with Maven
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up JDK 11
+      uses: actions/setup-java@v4
+      with:
+        java-version: '11'
+        distribution: 'temurin'
+        cache: maven
+    - name: Build with Maven
+      run: mvn -B package --file pom.xml
+
+    # Optional: Uploads the full dependency graph to GitHub to improve the quality of Dependabot alerts this repository can receive
+    - name: Update dependency graph
+      uses: advanced-security/maven-dependency-submission-action@571e99aab1055c2e71a1e2309b9691de18d6b7d6