Add labelsync manager

.github/config/labels.yml

@@ -0,0 +1,30 @@
+- name: "bug"
+  color: "d73a4a"
+  description: "Something isn't working"
+- name: "dependencies"
+  color: "C62109"
+  description: "Pull requests that update a dependency file"
+- name: "documentation"
+  color: "0075ca"
+  description: "Improvements or additions to documentation"
+- name: "duplicate"
+  color: "cfd3d7"
+  description: "This issue or pull request already exists"
+- name: "enhancement"
+  color: "a2eeef"
+  description: "New feature or request"
+- name: "good first issue"
+  color: "7057ff"
+  description: "Good for newcomers"
+- name: "help wanted"
+  color: "008672"
+  description: "Extra attention is needed"
+- name: "invalid"
+  color: "e4e669"
+  description: "This doesn't seem right"
+- name: "question"
+  color: "d876e3"
+  description: "Further information is requested"
+- name: "wontfix"
+  color: "#ffffff"
+  description: "This will not be worked on"

.github/workflows/labelsync.yml

@@ -0,0 +1,25 @@
+name: Label Manager
+
+on:
+  push:
+    paths:
+      - .github/config/labels.yml
+  pull_request:
+    paths:
+      - .github/config/labels.yml
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Synchronize labels
+        uses: julb/action-manage-label@v1
+        with:
+          from: .github/config/labels.yml
+          skip_delete: false
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}