move app to app/ subdir

app/.eslintrc.cjs

@@ -0,0 +1,44 @@
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const path = require("path");
+
+/** @type {import("eslint").Linter.Config} */
+const config = {
+  overrides: [
+    {
+      extends: ["plugin:@typescript-eslint/recommended-requiring-type-checking"],
+      files: ["*.ts", "*.tsx"],
+      parserOptions: {
+        project: path.join(__dirname, "tsconfig.json"),
+      },
+      rules: {
+        "@typescript-eslint/no-unsafe-member-access": "off",
+        "@typescript-eslint/no-unsafe-assignment": "off",
+      },
+    },
+  ],
+  parser: "@typescript-eslint/parser",
+  parserOptions: {
+    project: path.join(__dirname, "tsconfig.json"),
+  },
+  plugins: ["@typescript-eslint", "unused-imports"],
+  extends: ["next/core-web-vitals", "plugin:@typescript-eslint/recommended"],
+  rules: {
+    "@typescript-eslint/consistent-type-imports": [
+      "warn",
+      {
+        prefer: "type-imports",
+        fixStyle: "inline-type-imports",
+      },
+    ],
+
+    "unused-imports/no-unused-imports": "error",
+    "@typescript-eslint/no-unused-vars": "off",
+    "unused-imports/no-unused-vars": [
+      "warn",
+      { vars: "all", varsIgnorePattern: "^_", args: "after-used", argsIgnorePattern: "^_" },
+    ],
+    "react/no-unescaped-entities": "off",
+  },
+};
+
+module.exports = config;