Refactored search and autocomplete

Now with more icons, much simpler dropdown and a smooth open animation.
Filter is moved to the searchPage instead of baking in the search
dropdown.

src/icons/IconClose.vue

@@ -0,0 +1,19 @@
+<template>
+  <svg
+    @click="$emit('click')"
+    @keydown="event => $emit('keydown', event)"
+    xmlns="http://www.w3.org/2000/svg"
+    width="24"
+    height="24"
+    viewBox="0 0 24 24"
+    fill="none"
+    stroke="currentColor"
+    stroke-width="1"
+    stroke-linecap="round"
+    stroke-linejoin="round"
+    class="feather feather-x"
+  >
+    <line x1="18" y1="6" x2="6" y2="18"></line>
+    <line x1="6" y1="6" x2="18" y2="18"></line>
+  </svg>
+</template>