allow max results for search to be configured using data attribute

Author: mojavelinux

src/js/vendor/docsearch.bundle.js

@@ -13,7 +13,7 @@
     indexName: config.indexName,
     inputSelector: '#search-input',
     autocompleteOptions: { hint: false, keyboardShortcuts: ['s'] },
-    algoliaOptions: { hitsPerPage: 10 },
+    algoliaOptions: { hitsPerPage: parseInt(config.maxResults) || 5 },
   }).autocomplete
   search.on('autocomplete:closed', function () {
     search.autocomplete.setVal()

src/partials/footer-scripts.hbs

@@ -22,7 +22,7 @@ MathJax.Hub.Register.StartupHook("AsciiMath Jax Ready", function () {
 {{/unless}}
 {{/with}}
 {{#if env.ALGOLIA_API_KEY}}
-<script async id="search-script" src="{{{uiRootPath}}}/js/vendor/docsearch.js"{{#if env.ALGOLIA_APP_ID}} data-app-id="{{env.ALGOLIA_APP_ID}}"{{/if}} data-api-key="{{env.ALGOLIA_API_KEY}}" data-index-name="{{env.ALGOLIA_IDX_NAME}}" data-stylesheet="{{{uiRootPath}}}/css/vendor/docsearch.css"></script>
+<script async id="search-script" src="{{{uiRootPath}}}/js/vendor/docsearch.js"{{#if env.ALGOLIA_APP_ID}} data-app-id="{{env.ALGOLIA_APP_ID}}"{{/if}} data-api-key="{{env.ALGOLIA_API_KEY}}" data-index-name="{{env.ALGOLIA_IDX_NAME}}" data-max-results="15" data-stylesheet="{{{uiRootPath}}}/css/vendor/docsearch.css"></script>
 {{#if page.home}}
 <script>
 window.addEventListener('load', function focusSearchInput () {