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/eslint.config.mjs

@@ -0,0 +1,11 @@
+// @ts-check
+import withNuxt from './.nuxt/eslint.config.mjs'
+
+export default withNuxt({
+  rules: {
+    '@typescript-eslint/no-explicit-any': 'warn',
+    '@typescript-eslint/no-unused-vars': 'warn',
+    '@typescript-eslint/consistent-type-imports': ['warn', { prefer: 'type-imports' }],
+    '@typescript-eslint/no-require-imports': 'off',
+  },
+})