Add GitHub action to label pull requests

.github/labeler.yml

@@ -0,0 +1,11 @@
+# Add 'docs' to any changes within 'docs' folder or any subfolders
+docs:
+  - README.rst
+  - docs/**/*
+  - {{cookiecutter.project_slug}}/docs/**/*
+
+# Flag PR related to docker
+docker:
+  - {{cookiecutter.project_slug}}/compose/**/*
+  - {{cookiecutter.project_slug}}/local.yml
+  - {{cookiecutter.project_slug}}/production.yml

.github/workflows/label.yml

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+# This workflow will triage pull requests and apply a label based on the
+# paths that are modified in the pull request.
+#
+# To use this workflow, you will need to set up a .github/labeler.yml
+# file with configuration.  For more information, see:
+# https://github.com/actions/labeler/blob/master/README.md
+
+
+name: Labeler
+on: [pull_request]
+
+jobs:
+  label:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/labeler@v2
+      with:
+        repo-token: "${{ secrets.GITHUB_TOKEN }}"