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/doc/src/user.rs

@@ -0,0 +1,20 @@
+use utoipa::OpenApi;
+
+use models::params::user::CreateUserParams;
+use models::schemas::user::{UserListSchema, UserSchema};
+
+use api::models::{ApiErrorResponse, ParamsErrorResponse};
+use api::routers::user::*;
+
+#[derive(OpenApi)]
+#[openapi(
+    paths(users_get, users_id_get, users_post),
+    components(schemas(
+        CreateUserParams,
+        UserListSchema,
+        UserSchema,
+        ApiErrorResponse,
+        ParamsErrorResponse,
+    ))
+)]
+pub(super) struct UserApi;