Added icon component. Stylized filter bar.

assets/js/main.js

@@ -7,11 +7,15 @@ import initStore from './store';
 import '../css/style.scss';
 
 import Container from '../components/container/container.vue';
+import Icon from '../components/icon/icon.vue';
 
 function init() {
     const store = initStore(router);
 
     Vue.mixin({
+        components: {
+            Icon,
+        },
         watch: {
             pageTitle(title) {
                 if (title) {