Add project status report and frontend documentation

- Introduced `PROJECT_STATUS.md` to provide a comprehensive overview of the MiroFish project, detailing the current status, completed features, and future development plans.
- Added multiple documentation files in the frontend directory, including detailed descriptions of the homepage functionality, startup guide, and project completion summary.
- Implemented a structured approach to document the project's architecture, API integration, and user interaction processes, enhancing clarity for developers and users alike.
- Included a `.gitignore` file to manage ignored files and directories in the frontend project, improving project organization and cleanliness.

frontend/src/App.vue

@@ -0,0 +1,48 @@
+<template>
+  <router-view />
+</template>
+
+<script setup>
+// 使用 Vue Router 来管理页面
+</script>
+
+<style>
+/* 全局样式重置 */
+* {
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+}
+
+#app {
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
+    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
+    sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  color: #000000;
+}
+
+/* 滚动条样式 */
+::-webkit-scrollbar {
+  width: 8px;
+  height: 8px;
+}
+
+::-webkit-scrollbar-track {
+  background: #f1f1f1;
+}
+
+::-webkit-scrollbar-thumb {
+  background: #000000;
+}
+
+::-webkit-scrollbar-thumb:hover {
+  background: #333333;
+}
+
+/* 全局按钮样式 */
+button {
+  font-family: inherit;
+}
+</style>