Update maxlength for redis copilot input box (#1879)

Author: paoloredis

layouts/home.html

@@ -22,7 +22,7 @@ <h1 class="text-5xl font-medium">{{ .Title }}</h1>
         </label>
         <input id="seach-home" name="q" class="appearance-none bg-transparent text-base sm:text-lg text-white placeholder-white w-full h-16 focus:outline-none" 
                autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"
-               placeholder="Ask our AI-powered Redis copilot a question…" maxlength="64" type="text" value="" tabindex=""/>
+               placeholder="Ask our AI-powered Redis copilot a question…" maxlength="500" type="text" value="" tabindex=""/>
         <!--<input type="submit" class="hover:text-redis-pen-300" value="&#x23CE;"/>-->
         <input class="invisible" type="submit" class="hover:text-redis-pen-300" value=""/>
       </form>