In documentation, hide about section when searching

This commit hides the about section when the search bar is not empty,
making it more discoverable to users that search is indeed working and
they should look in the options section.

Author: krtab

docs/index.html

@@ -81,7 +81,7 @@
                   </select>
               </div>
             </div>
-            <div v-html="aboutHtml"></div>
+            <div v-if="isSearching" v-html="aboutHtml" id="about"></div>
             <div v-html="configurationAboutHtml"></div>
             <div v-html="outputHtml"></div>
           </article>
@@ -114,6 +114,10 @@
                 scrolledOnce: false,
               },
               asyncComputed: {
+                async isSearching() {
+                  // returns true if this.searchCondition contains text, false otherwise.
+                  return !this.searchCondition.trim()
+                },
                 async updateVersion() {
                   let latest;
                   try {