(#4) CI: enable release automation

Author: ForNeVeR

.github/workflows/main.yml

@@ -0,0 +1,40 @@
+name: Main
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 'v*'
+  pull_request:
+    branches:
+      - main
+  repository_dispatch:
+    types: [ periodic ]
+  workflow_dispatch:
+
+jobs:
+  release:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Check out the sources
+        uses: actions/checkout@v3
+
+      - name: Prepare the release notes
+        uses: ForNeVeR/ChangelogAutomation.action@v1
+        with:
+          input: ./CHANGELOG.md
+          output: ./release-notes.md
+          format: Markdown
+      - name: Upload the release notes
+        uses: actions/upload-artifact@v4
+        with:
+          name: release-notes
+          path: ./release-notes.md
+
+      - name: Create the release
+        if: startsWith(github.ref, 'refs/tags/v')
+        id: release
+        # noinspection SpellCheckingInspection
+        uses: softprops/action-gh-release@v1
+        with:
+          body_path: ./release-notes.md

.github/workflows/periodic.yml

@@ -0,0 +1,17 @@
+name: Periodic Trigger
+on:
+  schedule:
+    - cron: '0 0 * * 0' # Every Sunday
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Trigger main workflow
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          EVENT: periodic
+          ORG: ForNeVeR
+          REPO: andivionian-status-classifier
+        run: |
+          curl -d "{\"event_type\": \"${EVENT}\"}" -H "Content-Type: application/json" -H "Authorization: token ${GITHUB_TOKEN}" -H "Accept: application/vnd.github.everest-preview+json" "https://api.github.com/repos/${ORG}/${REPO}/dispatches"