Add labels workflow

.github/labels.yml

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+## more info https://github.com/crazy-max/ghaction-github-labeler
+- # automerge
+  name: ":bell: automerge"
+  color: "8f4fbc"
+  description: ""
+- # bot
+  name: ":robot: bot"
+  color: "69cde9"
+  description: ""
+- # bug
+  name: ":bug: bug"
+  color: "b60205"
+  description: ""
+- # dependencies
+  name: ":game_die: dependencies"
+  color: "0366d6"
+  description: ""
+- # documentation
+  name: ":memo: documentation"
+  color: "c5def5"
+  description: ""
+- # duplicate
+  name: ":busts_in_silhouette: duplicate"
+  color: "cccccc"
+  description: ""
+- # enhancement
+  name: ":sparkles: enhancement"
+  color: "0054ca"
+  description: ""
+- # feature request
+  name: ":bulb: feature request"
+  color: "0e8a16"
+  description: ""
+- # feedback
+  name: ":mega: feedback"
+  color: "03a9f4"
+  description: ""
+- # future maybe
+  name: ":rocket: future maybe"
+  color: "fef2c0"
+  description: ""
+- # good first issue
+  name: ":hatching_chick: good first issue"
+  color: "7057ff"
+  description: ""
+- # help wanted
+  name: ":pray: help wanted"
+  color: "4caf50"
+  description: ""
+- # invalid
+  name: ":no_entry_sign: invalid"
+  color: "e6e6e6"
+  description: ""
+- # investigate
+  name: ":mag: investigate"
+  color: "e6625b"
+  description: ""
+- # needs more info
+  name: ":thinking: needs more info"
+  color: "795548"
+  description: ""
+- # pinned
+  name: ":pushpin: pinned"
+  color: "28008e"
+  description: ""
+- # question
+  name: ":question: question"
+  color: "3f51b5"
+  description: ""
+- # sponsor
+  name: ":sparkling_heart: sponsor"
+  color: "fedbf0"
+  description: ""
+- # stale
+  name: ":skull: stale"
+  color: "237da0"
+  description: ""
+- # upstream
+  name: ":eyes: upstream"
+  color: "fbca04"
+  description: ""
+- # wontfix
+  name: ":coffin: wontfix"
+  color: "ffffff"
+  description: ""

.github/workflows/label-sponsor.yml

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+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

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+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