add search to docs

docs/docusaurus.config.js

@@ -8,6 +8,11 @@ module.exports = {
   favicon: 'img/favicon.ico',
   organizationName: 'blakeblackshear',
   projectName: 'frigate',
+  algolia: {
+    apiKey: '81ec882db78f7fed05c51daf973f0362',
+    indexName: 'frigate',
+    algoliaOptions: { 'facetFilters': ["type:$TYPE"] }
+  },
   themeConfig: {
     navbar: {
       title: 'Frigate',