frontend cleanup

frontend/src/components/elements/SearchBar.svelte

@@ -1,11 +1,19 @@
-<script>
-    let search_q = "";
+<script lang="ts">
+    let searchQuery = ""
 </script>
 
-<div id="search-form" class="search" class:active={search_q != ""}>
+<div id="search-form" class="search" class:active={searchQuery !== ""}>
     <form action="#" method="GET">
-        <input bind:value={search_q} type="text" name="q" placeholder="Введите команду или скажите &laquo;Джарвис&raquo; ..." autocomplete="off" minlength="3" maxlength="30">
-        <button type="submit"></button>
+        <input
+            bind:value={searchQuery}
+            type="text"
+            name="q"
+            placeholder="Введите команду или скажите «Джарвис» ..."
+            autocomplete="off"
+            minlength="3"
+            maxlength="30"
+        />
+        <button type="submit" aria-label="Search"></button>
         <small>Enter</small>
     </form>
-</div>
+</div>