feat: initialize project with Docker, PostgreSQL, Redis, and Vue.js frontend

- Added docker-compose.yml for PostgreSQL and Redis services with health checks.
- Created frontend directory with initial Vue.js setup including package.json, vite.config.ts, and TypeScript configuration.
- Implemented main application structure with App.vue and HomePage.vue components.
- Added message fetching and posting functionality in HomePage.vue.
- Included necessary styles and scripts for Ionic framework integration.
- Developed a dev-stack script to manage Docker containers and run backend/frontend servers.

frontend/src/main.ts

@@ -0,0 +1,35 @@
+import { createApp } from "vue";
+import { IonicVue } from "@ionic/vue";
+import { createRouter, createWebHistory } from "@ionic/vue-router";
+import type { RouteRecordRaw } from "vue-router";
+import App from "./App.vue";
+import HomePage from "./views/HomePage.vue";
+
+/* Ionic core CSS */
+import "@ionic/vue/css/core.css";
+import "@ionic/vue/css/normalize.css";
+import "@ionic/vue/css/structure.css";
+import "@ionic/vue/css/typography.css";
+
+/* Optional utilities */
+import "@ionic/vue/css/padding.css";
+import "@ionic/vue/css/float-elements.css";
+import "@ionic/vue/css/text-alignment.css";
+import "@ionic/vue/css/text-transformation.css";
+import "@ionic/vue/css/flex-utils.css";
+import "@ionic/vue/css/display.css";
+
+const routes: RouteRecordRaw[] = [
+  { path: "/", component: HomePage },
+];
+
+const router = createRouter({
+  history: createWebHistory(),
+  routes,
+});
+
+const app = createApp(App).use(IonicVue).use(router);
+
+router.isReady().then(() => {
+  app.mount("#app");
+});