Chore: Add frontend platform ownership (#25066)

.github/CODEOWNERS

@@ -14,10 +14,31 @@
 # Documentation owner: Diana Payton
 /docs/ @oddlittlebird
 /contribute/ @oddlittlebird  @marcusolsson
-# @grafana/ui component documentation
-*.mdx @marcusolsson @jessover9000
+
 
 # Backend code
 *.go @grafana/backend-platform
 go.mod @grafana/backend-platform
 go.sum @grafana/backend-platform
+
+/e2e @grafana/grafana-frontend-platform
+/packages @grafana/grafana-frontend-platform
+/plugins-bundled @grafana/grafana-frontend-platform
+/public @grafana/grafana-frontend-platform
+/scripts/build/release-packages.sh @grafana/grafana-frontend-platform
+/scripts/circle-release-next-packages.sh @grafana/grafana-frontend-platform
+/scripts/ci-frontend-metrics.sh @grafana/grafana-frontend-platform
+/scripts/grunt @grafana/grafana-frontend-platform
+/scripts/webpack @grafana/grafana-frontend-platform
+package.json @grafana/grafana-frontend-platform
+tsconfig.json @grafana/grafana-frontend-platform
+lerna.json @grafana/grafana-frontend-platform
+.babelrc @grafana/grafana-frontend-platform
+.prettierrc.js @grafana/grafana-frontend-platform
+.eslintrc @grafana/grafana-frontend-platform
+
+# @grafana/ui component documentation
+*.mdx @marcusolsson @jessover9000 @grafana/grafana-frontend-platform
+
+/public/app/features/explore/ @grafana/observability-squad
+/packages/jaeger-ui-components/ @grafana/observability-squad