add eslint for jspsych package

eslint.config.js

@@ -0,0 +1,22 @@
+import eslint from "@eslint/js";
+import tslint from "typescript-eslint";
+
+export default tslint.config(
+  {
+    ignores: [
+      "docs/*",
+      "examples/*",
+      "packages/*",
+      "!packages/jspsych",
+      "packages/jspsych/*",
+      "!packages/jspsych/src",
+    ],
+  },
+  eslint.configs.recommended,
+  ...tslint.configs.recommended,
+  {
+    rules: {
+      "@typescript-eslint/no-explicit-any": "off",
+    },
+  }
+);

package.json

@@ -27,13 +27,18 @@
   "devDependencies": {
     "@changesets/changelog-github": "^0.4.7",
     "@changesets/cli": "^2.25.2",
+    "@eslint/js": "^9.9.1",
     "@jspsych/config": "^1.3.2",
+    "@types/eslint__js": "^8.42.3",
+    "eslint": "^9.9.1",
     "husky": "^8.0.2",
     "import-sort-style-module": "^6.0.0",
     "lint-staged": "^13.0.3",
     "prettier": "^2.7.1",
     "prettier-plugin-import-sort": "^0.0.7",
-    "turbo": "^1.6.3"
+    "turbo": "^1.6.3",
+    "typescript": "^5.5.4",
+    "typescript-eslint": "^8.3.0"
   },
   "prettier": {
     "printWidth": 100