auto build and upload

Author: soloturn

.github/PULL_REQUEST_TEMPLATE.md

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+# Category
+
+This change is exactly one of the following (please change `[ ]` to `[x]`) to indicate which:
+* [ ] a bug fix (Fix #...)
+* [ ] a new Ripper
+* [ ] a refactoring
+* [ ] a style change/fix
+* [ ] a new feature
+
+
+# Description
+
+Please add details about your change here.
+
+
+# Testing
+
+Required verification:
+* [ ] I've verified that there are no regressions in `mvn test` (there are no new failures or errors).
+* [ ] I've verified that this change works as intended.
+  * [ ] Downloads all relevant content.
+  * [ ] Downloads content from multiple pages (as necessary or appropriate).
+  * [ ] Saves content at reasonable file names (e.g. page titles or content IDs) to help easily browse downloaded content.
+* [ ] I've verified that this change did not break existing functionality (especially in the Ripper I modified).
+
+Optional but recommended:
+* [ ] I've added a unit test to cover my change.

.github/workflows/gradle.yml

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+name: CI + release
+
+on:
+  pull_request:
+  push:
+    branches:
+      - '**'
+    tags:
+      - '!**'
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+        java: [17, 21]
+        include: # upload from java-17 only
+          - java: 17
+            upload: false
+
+    steps:
+
+    - uses: actions/checkout@v1
+
+    - name: Set environment CI_ variables
+      id: ci-env
+      uses: FranzDiebold/[email protected]
+
+    - name: Set up java
+      uses: actions/[email protected]
+      with:
+        java-version: ${{ matrix.java }}
+        distribution: zulu
+        cache: gradle
+
+    - name: Build with Gradle
+      run: | 
+        git submodule update --init
+        gradle clean jar -PjavacRelease=${{ matrix.java }}
+
+    - name: SHA256
+      if: matrix.upload
+      run: shasum -a 256 build/libs/*.jar
+
+    - name: upload jar as asset
+      if: matrix.upload
+      uses: actions/upload-artifact@v4
+      with:
+        name: zipped-jar
+        path: build/libs/*.jar
+
+    - name: create pre-release
+      id: create-pre-release
+      if: matrix.upload
+      uses: "marvinpinto/action-automatic-releases@latest"
+      with:
+        repo_token: "${{ secrets.GITHUB_TOKEN }}"
+        automatic_release_tag: "latest-${{ env.CI_REF_NAME_SLUG  }}"
+        prerelease: true
+        title: "development build ${{ env.CI_REF_NAME }}"
+        files: |
+            build/libs/*.jar
+
+# vim:set ts=2 sw=2 et: