Feature/add sticker picker

Squash to avoid storing commits with stickers in it to avoid possible copyright problems and excess storage space. --hj

src/components/sticker_picker/sticker_picker.vue

@@ -0,0 +1,62 @@
+<template>
+  <div
+    class="sticker-picker"
+  >
+    <div
+      class="sticker-picker-panel"
+    >
+      <tab-switcher
+        :render-only-focused="true"
+      >
+        <div
+          v-for="stickerpack in pack"
+          :key="stickerpack.path"
+          :image-tooltip="stickerpack.meta.title"
+          :image="stickerpack.path + stickerpack.meta.tabIcon"
+          class="sticker-picker-content"
+        >
+          <div
+            v-for="sticker in stickerpack.meta.stickers"
+            :key="sticker"
+            class="sticker"
+            @click="pick(stickerpack.path + sticker, stickerpack.meta.title)"
+          >
+            <img
+              :src="stickerpack.path + sticker"
+            >
+          </div>
+        </div>
+      </tab-switcher>
+    </div>
+  </div>
+</template>
+
+<script src="./sticker_picker.js"></script>
+
+<style lang="scss">
+@import '../../_variables.scss';
+
+.sticker-picker {
+  .sticker-picker-panel {
+    display: inline-block;
+    width: 100%;
+    .sticker-picker-content {
+      max-height: 300px;
+      overflow-y: scroll;
+      overflow-x: auto;
+      .sticker {
+        display: inline-block;
+        width: 20%;
+        height: 20%;
+        img {
+          width: 100%;
+          &:hover {
+            filter: drop-shadow(0 0 5px var(--link, $fallback--link));
+          }
+        }
+      }
+    }
+  }
+}
+
+</style>