ci: 👷 adds configuration for gitea-release-drafter

This commit adds the configuration for gitea-release-drafter and an corresponding workflow to autoamtically draft release notes on successfull merges to the main branch.

.gitea/workflows/draft-release.yml

@@ -0,0 +1,17 @@
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '1.20'
+
+      - name: Use Go Action  
+        id: use-go-action
+        uses: https://git.beisel.it/florian/gitea-release-drafter@main