Add PR body generator (#4304)

.github/workflows/pr-body-generator.yml

@@ -0,0 +1,19 @@
+name: Auto-PR-Body Generator
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+  repository-projects: write
+  pull-requests: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: AI powered Automatic PR Body Generation
+        uses: jbrocher/auto-pr-body-generator@v0.2.2
+        with:
+          OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}

Elsa.sln

@@ -20,6 +20,7 @@ ProjectSection(SolutionItems) = preProject
 	NuGet.Config = NuGet.Config
 	.github\workflows\npm-packages.yml = .github\workflows\npm-packages.yml
 	update-migrations-runtime.sh = update-migrations-runtime.sh
+	.github\workflows\pr-body-generator.yml = .github\workflows\pr-body-generator.yml
 EndProjectSection
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "docs", "docs", "{0354F050-3992-4DD4-B0EE-5FBA04AC72B6}"