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/api/src/routers/mod.rs

@@ -0,0 +1,18 @@
+use axum::Router;
+
+pub mod blog;
+pub mod root;
+pub mod user;
+
+use app::state::AppState;
+use blog::create_blog_router;
+use root::create_root_router;
+use user::create_user_router;
+
+pub fn create_router(state: AppState) -> Router {
+    Router::new()
+        .merge(create_root_router())
+        .nest("/users", create_user_router())
+        .nest("/blogs", create_blog_router())
+        .with_state(state)
+}