Add Release drafter and PR labeler (#56)

Author: lucacome

.github/pr-labeler.yml

@@ -0,0 +1,6 @@
+feature: ['feature/*', 'feat/*']
+enhancement: ['enhancement/*','enh/*']
+bug: fix/*
+chore: 'chore/*'
+dependencies: deps/*
+documentation: docs/*

.github/release-drafter.yml

@@ -0,0 +1,41 @@
+name-template: 'v$RESOLVED_VERSION'
+tag-template: 'v$RESOLVED_VERSION'
+categories:
+  - title: '🚀 Features'
+    labels:
+      - "feature"
+      - "enhancement"
+  - title: '💣 Breaking Change'
+    labels:
+      - "change"
+  - title: '🐛 Bug Fixes'
+    labels:
+      - "bug"
+  - title: '📝 Documentation'
+    labels:
+      - "documentation"
+  - title: '🔨 Maintenance'
+    labels:
+      - "chore"
+      - "dependencies"
+version-resolver:
+  major:
+    labels:
+      - 'major'
+  minor:
+    labels:
+      - 'minor'
+  patch:
+    labels:
+      - 'patch'
+  default: patch
+exclude-labels:
+  - 'skip-changelog'
+template: |
+  ## New in NGINX Plus Integration with Cloud Autoscaling v$RESOLVED_VERSION
+
+  $CHANGES
+
+  ## Resources
+
+  - Documentation -- https://github.com/nginxinc/nginx-asg-sync/blob/v$RESOLVED_VERSION/README.md

.github/workflows/pr-labeler.yml

@@ -0,0 +1,12 @@
+name: PR Labeler
+on:
+  pull_request:
+    types: [opened]
+
+jobs:
+  pr-labeler:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: TimonVS/pr-labeler-action@v3
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/release-drafter.yml

@@ -0,0 +1,14 @@
+name: Release Drafter
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  update_release_draft:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: release-drafter/release-drafter@master
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}