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/error/adapter.rs

@@ -0,0 +1,32 @@
+use axum::{extract::rejection::JsonRejection, http::StatusCode};
+use sea_orm::DbErr;
+
+use app::error::UserError;
+
+use super::traits::HTTPError;
+
+impl HTTPError for JsonRejection {
+    fn to_status_code(&self) -> StatusCode {
+        match self {
+            JsonRejection::JsonSyntaxError(_) => StatusCode::BAD_REQUEST,
+            _ => StatusCode::BAD_REQUEST,
+        }
+    }
+}
+
+impl HTTPError for DbErr {
+    fn to_status_code(&self) -> StatusCode {
+        match self {
+            DbErr::ConnectionAcquire(_) => StatusCode::INTERNAL_SERVER_ERROR,
+            _ => StatusCode::INTERNAL_SERVER_ERROR, // TODO:: more granularity
+        }
+    }
+}
+
+impl HTTPError for UserError {
+    fn to_status_code(&self) -> StatusCode {
+        match self {
+            UserError::NotFound => StatusCode::NOT_FOUND,
+        }
+    }
+}