🔥 perf(github/workflows): initial pa11y setup

Author: ythecombinator

.github/workflows/pa11y.yml

@@ -0,0 +1,46 @@
+name: Accessibility Tests (pa11y)
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    name: Building site and running accessibility tests
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Source
+        uses: actions/checkout@v2
+
+      - name: Setup Node
+        uses: actions/setup-node@v1
+        with:
+          node-version: 18
+        run: npm install -g yarn
+        run: yarn install --frozen-lockfile
+        run: yarn build
+
+      - name: Boot Next
+        run: yarn build
+        run: yarn start
+
+      - name: Run pa11y-ci
+        run: yarn pa11y-ci:sitemap 2>&1 | tee pa11y_output.txt
+
+      - name: Read pa11y_output
+        id: pa11y_output
+        uses: juliangruber/read-file-action@v1
+        with:
+          path: ./pa11y_output.txt
+
+```${{ steps.pa11y_output.outputs.content }}```
+
+</details>'
+
+      - name: Check for Failures
+        if: contains(steps.pa11y_output.outputs.content, 'errno 2')
+        run: |
+          echo "::error::The site is failing accessibility tests."
+          exit 1

.pa11yci

@@ -0,0 +1,30 @@
+{
+  "defaults": {
+    "concurrency": 1,
+    "standard": "WCAG2AA",
+    "runners": [
+      "axe",
+      "htmlcs"
+    ],
+    "ignore": [
+      "color-contrast",
+      "frame-tested"
+    ],
+    "chromeLaunchConfig": {
+      "args": [
+        "--disable-dev-shm-usage",
+        "--no-sandbox",
+        "--disable-gpu"
+      ]
+    },
+    "reporters": [
+      "cli",
+      [
+        "./pa11y-reporter-junit.js",
+        {
+          "fileName": "./pa11y-report-junit.xml"
+        }
+      ]
+    ]
+  }
+}