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/utils/src/testing/api/mod.rs

@@ -0,0 +1,21 @@
+use axum::{body::Body, http::Request, response::Response, Router};
+use tower::ServiceExt;
+
+pub async fn make_get_request(app: Router, url: &str) -> Response {
+    app.oneshot(Request::builder().uri(url).body(Body::empty()).unwrap())
+        .await
+        .unwrap()
+}
+
+pub async fn make_post_request(app: Router, url: &str, body: String) -> Response {
+    app.oneshot(
+        Request::builder()
+            .method("POST")
+            .uri(url)
+            .header("Content-Type", "application/json")
+            .body(Body::from(body))
+            .unwrap(),
+    )
+    .await
+    .unwrap()
+}