add lesson 2-2: lighthouse CI end

Author: nuria-fl

.github/workflows/performance.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: 14
           cache: 'npm'

22-lighthouse/lighthouserc.js

@@ -2,6 +2,30 @@ module.exports = {
   ci: {
     assert: {
       preset: "lighthouse:no-pwa",
+      assertions: {
+        // Performance related
+        "font-display": "off",
+        "unsized-images": "off",
+        "unused-css-rules": "off",
+        "unused-javascript": "off",
+        "uses-optimized-images": "off",
+        "uses-responsive-images": "off",
+        "unminified-css": "off",
+        "third-party-facades": "off",
+        "offscreen-images": "off",
+        // Not performance related
+        "tap-targets": "off",
+        "non-composited-animations": "off",
+        "button-name": "off",
+        "color-contrast": "off",
+        "csp-xss": "off",
+        "errors-in-console": "off",
+        "external-anchors-use-rel-noopener": "off",
+        "heading-order": "off",
+        "link-name": "off",
+        "meta-description": "off",
+        "uses-text-compression": "off",
+      },
     },
   },
 };