Migrate eslint config file

Author: mheap

.eslintrc

@@ -0,0 +1,26 @@
+import { defineConfig } from "eslint/config";
+import prettier from "eslint-plugin-prettier";
+
+export default defineConfig([{
+    plugins: {
+        prettier,
+    },
+
+    languageOptions: {
+        ecmaVersion: 2020,
+        sourceType: "module",
+
+        parserOptions: {
+            impliedStrict: true,
+
+            ecmaFeatures: {
+                impliedStrict: true,
+                experimentalObjectRestSpread: true,
+            },
+        },
+    },
+
+    rules: {
+        "prettier/prettier": "error",
+    },
+}]);