patch in new precommit, workflow build from cookiecutter

Author: brentru

.github/workflows/build.yml

@@ -50,18 +50,19 @@ jobs:
     - name: Pre-commit hooks
       run: |
         pre-commit run --all-files
-    - name: PyLint
-      run: |
-        pylint $( find . -path './adafruit*.py' )
-        ([[ ! -d "examples" ]] || pylint --disable=missing-docstring,invalid-name,bad-whitespace $( find . -path "./examples/*.py" ))
     - name: Build assets
       run: circuitpython-build-bundles --filename_prefix ${{ steps.repo-name.outputs.repo-name }} --library_location .
     - name: Archive bundles
       uses: actions/upload-artifact@v2
       with:
         name: bundles
         path: ${{ github.workspace }}/bundles/
+    - name: Check For docs folder
+      id: need-docs
+      run: |
+        echo ::set-output name=docs::$( find . -wholename './docs' )
     - name: Build docs
+      if: contains(steps.need-docs.outputs.docs, 'docs')
       working-directory: docs
       run: sphinx-build -E -W -b html . _build/html
     - name: Check For setup.py

.pre-commit-config.yaml

@@ -17,3 +17,18 @@ repos:
     -   id: check-yaml
     -   id: end-of-file-fixer
     -   id: trailing-whitespace
+-   repo: https://github.com/pycqa/pylint
+    rev: pylint-2.7.1
+    hooks:
+    -   id: pylint
+        name: pylint (library code)
+        types: [python]
+        exclude: "^(docs/|examples/|setup.py$)"
+-   repo: local
+    hooks:
+    -   id: pylint_examples
+        name: pylint (examples code)
+        description: Run pylint rules on "examples/*.py" files
+        entry: /usr/bin/env bash -c
+        args: ['([[ ! -d "examples" ]] || for example in $(find . -path "./examples/*.py"); do pylint --disable=missing-docstring,invalid-name $example; done)']
+        language: system