feat: Initial commit of backend services and AGENTS.md

backend/eslint.config.js

@@ -0,0 +1,18 @@
+const globals = require("globals");
+
+module.exports = [
+  {
+    languageOptions: {
+      ecmaVersion: "latest",
+      sourceType: "commonjs",
+      globals: {
+        ...globals.browser,
+        ...globals.node,
+      },
+    },
+    rules: {
+      "no-unused-vars": "warn",
+      "no-undef": "warn",
+    },
+  },
+];