feat(ts): allow faceting

Author: Haroenv

src/__tests__/__snapshots__/config.test.js.snap

@@ -95,6 +95,7 @@ Object {
       "searchable(computedKeywords)",
       "searchable(owner.name)",
       "deprecated",
+      "types.ts",
     ],
     "customRanking": Array [
       "desc(_searchInternal.downloadsMagnitude)",

src/config.js

@@ -33,6 +33,7 @@ const defaultConfig = {
       'searchable(computedKeywords)',
       'searchable(owner.name)',
       'deprecated',
+      'types.ts',
     ],
     customRanking: [
       'desc(_searchInternal.downloadsMagnitude)',