feat(slider): add slider feature

frontend/spa/src/stores/SlidersStore.js

@@ -0,0 +1,26 @@
+import {defineStore} from "pinia";
+import {fetchBanner} from "@/utils/ftch.js";
+
+export const useSlidersStore = defineStore('sliders', {
+    state: () => ({
+        mainpage_slider: {
+            is_enabled: false,
+            space_between: 30,
+            autoplay: false,
+            effect: 'cube', // null, flip, cards, cube
+            pagination: false,
+            scrollbar: false,
+            free_mode: false,
+            loop: false,
+            slides: [],
+        },
+    }),
+
+    actions: {
+        async fetchMainpageSlider() {
+            console.debug('[Sliders Store] Fetch mainpage slider from server.');
+            const response = await fetchBanner();
+            this.mainpage_slider = Object.assign({}, this.mainpage_slider, response.data);
+        }
+    },
+});