feat: initialize thoughts-frontend with Next.js, TypeScript, and ESLint

- Add ESLint configuration for Next.js and TypeScript support.
- Create Next.js configuration file with standalone output option.
- Initialize package.json with scripts for development, build, and linting.
- Set up PostCSS configuration for Tailwind CSS.
- Add SVG assets for UI components.
- Create TypeScript configuration for strict type checking and module resolution.

thoughts-backend/tests/api/mod.rs

@@ -0,0 +1,44 @@
+use api::setup_router;
+use utils::testing::setup_test_db;
+
+mod blog;
+mod root;
+mod user;
+
+use blog::*;
+use root::*;
+use user::*;
+
+#[tokio::test]
+async fn root_main() {
+    let db = setup_test_db("sqlite::root?mode=memory&cache=shared")
+        .await
+        .expect("Set up db failed!");
+
+    let app = setup_router(db);
+    test_root(app).await;
+}
+
+#[tokio::test]
+async fn user_main() {
+    let db = setup_test_db("sqlite::user?mode=memory&cache=shared")
+        .await
+        .expect("Set up db failed!");
+
+    let app = setup_router(db);
+    test_post_users(app.clone()).await;
+    test_post_users_error(app.clone()).await;
+    test_get_users(app).await;
+}
+
+#[tokio::test]
+async fn blog_main() {
+    let db = setup_test_db("sqlite::blog?mode=memory&cache=shared")
+        .await
+        .expect("Set up db failed!");
+
+    let app = setup_router(db);
+    test_post_users(app.clone()).await;
+    test_post_blogs(app.clone()).await;
+    test_get_blogs(app).await;
+}