Update various configuration files, components, and assets; enhance notification system and API endpoints; improve documentation and styles across the application.

stores/theme.js

@@ -0,0 +1,22 @@
+import { defineStore, skipHydrate } from "pinia";
+
+export const useThemeStore = defineStore({
+  id: "theme",
+  state: () => ({
+    theme: "default",
+    layoutType: "vertical",
+    codeTheme: "oneDark",
+  }),
+  persist: true,
+  actions: {
+    setTheme(theme) {
+      this.theme = theme;
+    },
+    setLayoutType(layoutType) {
+      this.layoutType = layoutType;
+    },
+    setCodeTheme(codeTheme) {
+      this.codeTheme = codeTheme;
+    },
+  },
+});