Add labels workflow

.github/workflows/label-sponsor.yml

@@ -0,0 +1,18 @@
+name: label-sponsor
+
+on:
+  issues:
+    types:
+      - 'opened'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Set sponsor label
+        uses: JasonEtco/is-sponsor-label-action@024ac24f8b170abce078cad4ee748852369853c8
+        with:
+          label: ":sparkling_heart: sponsor"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/labels.yml

@@ -0,0 +1,20 @@
+name: labels
+
+on:
+  push:
+    branches:
+      - 'master'
+    paths:
+      - '.github/labels.yml'
+      - '.github/workflows/labels.yml'
+
+jobs:
+  labeler:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Run Labeler
+        uses: crazy-max/ghaction-github-labeler@v3