Add github/super-linter as starter workflow on CI (#1089)

This commit adds github/super-linter as a starter workflow to execute
several linters based on the user codebase on changed files.

Co-authored-by: Josh Gross <joshmgross@github.com>

ci/properties/super-linter.properties.json

@@ -0,0 +1,6 @@
+{
+  "name": "Super Linter - Run Linters for several languages",
+  "description": "Run linters for several languages on your code base for changed files",
+  "iconName": "octicon check-circle",
+  "categories": ["code-quality", "code-review"]
+}

ci/super-linter.yml

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+# This workflow executes several linters on changed files based on languages used in your code base whenever
+# you push a code or open a pull request.
+#
+# You can adjust the behavior by modifying this file.
+# For more information, see:
+# https://github.com/github/super-linter
+name: Lint Code Base
+
+on:
+  push:
+    branches: [ $default-branch ]
+  pull_request:
+    branches: [ $default-branch ]
+jobs:
+  run-lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        with:
+          # Full git history is needed to get a proper list of changed files within `super-linter`
+          fetch-depth: 0
+
+      - name: Lint Code Base
+        uses: github/super-linter@v4
+        env:
+          VALIDATE_ALL_CODEBASE: false
+          DEFAULT_BRANCH: $default-branch
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}