feat: add Settings and Setup pages for user management

- Implemented Settings page for changing user passwords with validation and feedback.
- Created Setup page for initial admin account setup with form handling and navigation.
- Added API service layer for handling requests related to proxy hosts, remote servers, and import functionality.
- Introduced mock data for testing purposes and set up testing framework with vitest.
- Configured Tailwind CSS for styling and Vite for development and build processes.
- Added scripts for Dockerfile validation, Python syntax checking, and Sourcery integration.
- Implemented release and coverage scripts for better CI/CD practices.

frontend/src/api/client.ts

@@ -0,0 +1,7 @@
+import axios from 'axios';
+
+const client = axios.create({
+  baseURL: '/api/v1'
+});
+
+export default client;