Lens restructure (#540)

Signed-off-by: Roman <ixrock@gmail.com>

src/renderer/_vue/components/common/ClosePageButton.vue

@@ -0,0 +1,40 @@
+<template>
+  <div class="close-page-button">
+    <a @click.prevent="navigateBack" href="#">
+      <i class="material-icons">close</i>
+    </a>
+  </div>
+</template>
+
+<script>
+
+export default {
+  name: "ClosePageButton",
+  data() {
+    return {}
+  },
+  methods: {
+    navigateBack: () => {
+      window.history.back();
+    }
+  }
+}
+</script>
+
+<style scoped lang="scss">
+div.close-page-button {
+  position: absolute;
+  top: 20px;
+  right: 25px;
+  z-index: 1100;
+  a {
+    position: relative;
+    display: block;
+    color: #fff;
+    opacity: 0.4;
+  }
+  i {
+    font-size: 30px;
+  }
+}
+</style>