feat(ci): add automated Lighthouse audit pipeline (#2)

Co-authored-by: Lucas <lucasroyer.dev@gmail.com>
Reviewed-on: #2

.lighthouserc.cjs

@@ -0,0 +1,23 @@
+module.exports = {
+  ci: {
+    collect: {
+      staticDistDir: '/app/dist',
+      settings: {
+        chromeFlags: '--no-sandbox --disable-setuid-sandbox --headless=new --disable-gpu --disable-dev-shm-usage',
+      },
+      numberOfRuns: 1
+    },
+    assert: {
+      assertions: {
+        'categories:performance': ['error', {minScore: 0.9}],
+        'categories:accessibility': ['error', {minScore: 0.9}],
+        'categories:best-practices': ['error', {minScore: 0.9}],
+        'categories:seo': ['error', {minScore: 0.9}],
+      },
+    },
+    upload: {
+        target: 'filesystem',
+        outputDir: './.lighthouseci', // C'est ici que Jenkins ira chercher les fichiers
+    },
+  },
+};