ci: release-please + jar release pipeline

.github/workflows/release-please.yml

@@ -0,0 +1,16 @@
+name: Release Please
+
+on:
+  push:
+    branches: [main]
+
+permissions:
+  contents: write
+  issues: write
+  pull-requests: write
+
+jobs:
+  reusable:
+    uses: groundsgg/.github/.github/workflows/release-please.yml@main
+    secrets:
+      RELEASE_PLEASE_TOKEN: ${{ secrets.RELEASE_PLEASE_TOKEN }}

.github/workflows/release.yml

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+name: Release
+
+on:
+  push:
+    tags:
+      - "*"
+
+permissions:
+  contents: write
+
+jobs:
+  build-and-upload:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Set up Java
+        uses: actions/setup-java@v5
+        with:
+          distribution: "temurin"
+          java-version: "25"
+          cache: "gradle"
+
+      - name: Set up Gradle
+        uses: gradle/actions/setup-gradle@v5
+
+      - name: Build shadow JAR
+        env:
+          GITHUB_ACTOR: ${{ github.actor }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          tag_name="${GITHUB_REF#refs/tags/}"
+          version_override="${tag_name#v}"
+          ./gradlew shadowJar -PversionOverride="$version_override"
+
+      - name: Upload JAR to release
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          tag_name="${GITHUB_REF#refs/tags/}"
+          gh release upload "$tag_name" build/libs/plugin-platform-router-*-all.jar --clobber

.release-please-manifest.json

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+{".":"0.0.0"}

release-please-config.json

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+{
+  "release-type": "simple",
+  "include-component-in-tag": false,
+  "bump-minor-pre-major": true,
+  "bump-patch-for-minor-pre-major": true,
+  "packages": {
+    ".": {
+      "package-name": "plugin-platform-router",
+      "release-as": "0.1.0"
+    }
+  }
+}