fix: Update Algolia Search to V3 (#342)

Author: Mcalewaert

docs/docusaurus.build.config.js

@@ -5,6 +5,7 @@ module.exports = {
   themeConfig: {
     ...buildConfig.themeConfig,
     algolia: {
+      appId: process.env.ALGOLIA_APP_ID,
       apiKey: process.env.ALGOLIA_API_KEY,
       indexName: 'arcus-azure',
       // Set `contextualSearch` to `true` when having multiple versions!!!