ci: add labeler

.github/labeler.yml

@@ -0,0 +1,14 @@
+modifies labeler:
+  - .github/labeler.yml
+modifies ci:
+  - .github/workflows/*.yml
+modifies docker:
+  - '**/Dockerfile'
+  - '**/docker-compose.yml'
+  - '**/*.env'
+modifies api:
+  - api/**/*
+modifies gui:
+  - gui/**/*
+modifies nix:
+  - '**/*.nix'

.github/workflows/label.yml

@@ -0,0 +1,13 @@
+name: Labeler
+on: [pull_request_target]
+
+jobs:
+   label:
+      runs-on: ubuntu-latest
+      permissions:
+         contents: read
+         pull-requests: write
+      steps:
+         - uses: actions/labeler@v4
+           with:
+             repo-token: "${{ secrets.GITHUB_TOKEN }}"