Add configuration files and update project documentation

- Introduced .editorconfig for consistent coding styles across the project.
- Added .golangci.yml for Go linting configuration.
- Updated AGENTS.md to clarify project structure and components.
- Enhanced CONTRIBUTING.md with Makefile usage for common tasks.
- Updated Dockerfiles to use Go 1.24 and improved build instructions.
- Refined README.md and deployment documentation for clarity.
- Added testing documentation in testing.md for backend and frontend tests.
- Introduced Makefile for streamlined development commands and tasks.

frontend-nuxt/vite/vite-uri-guard.ts

@@ -10,7 +10,7 @@ export function viteUriGuard(): Plugin {
     name: 'vite-uri-guard',
     apply: 'serve',
     configureServer(server) {
-      const guard = (req: any, res: any, next: () => void) => {
+      const guard = (req: { url?: string; originalUrl?: string }, res: { statusCode: number; setHeader: (k: string, v: string) => void; end: (body: string) => void }, next: () => void) => {
         const raw = req.url ?? req.originalUrl ?? ''
         try {
           decodeURI(raw)