#38: Add release drafter & changelog workflow

Author: vdjagilev

.github/release-drafter.yml

@@ -0,0 +1,26 @@
+name-template: "v$RESOLVED_VERSION"
+tag-template: "v$RESOLVED_VERSION"
+categories:
+  - title: "Features"
+    label: type/feature
+  - title: "Bug Fixes"
+    label: type/bug
+  - title: "Other"
+    label: type/other
+change-template: "- #$NUMBER: $TITLE"
+change-title-escapes: '\<*_&' # You can add # and @ to disable mentions, and add ` to disable code blocks.
+version-resolver:
+  major:
+    labels:
+      - "major"
+  minor:
+    labels:
+      - "minor"
+  patch:
+    labels:
+      - "patch"
+  default: patch
+template: |
+  ## Changes
+
+  $CHANGES

.github/workflows/release-drafter.yml

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+name: Release Drafter
+
+on:
+  push:
+    # branches to consider in the event; optional, defaults to all
+    branches:
+      - main
+
+jobs:
+  update_release_draft:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: release-drafter/release-drafter@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/update-changelog.yml

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+name: Update Changelog
+on:
+  release:
+    types: [published]
+
+jobs:
+  update-changelog:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Update changelog
+        run: |
+          npm install github-release-notes
+          export GREN_GITHUB_TOKEN=${{ secrets.GITHUB_TOKEN }}
+          npm run overrideChangelog
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v3
+        with:
+          commit-message: "Update changelog"
+          title: Update Changelog
+          body: Update changelog to reflect release changes
+          branch: update-changelog
+          base: main
+          delete-branch: true