fix formatter

.remarkrc

@@ -0,0 +1,8 @@
+{
+  "plugins": [
+    "remark-preset-lint-consistent",
+    "remark-preset-lint-recommended",
+    "remark-mdx",
+    "remark-frontmatter"
+  ]
+}

docs/index.md

@@ -1,6 +1,6 @@
-***
-
-## sidebar\_position: 1
+---
+sidebar_position: 4
+---
 
 # Tutorial Intro
 

package.json

@@ -41,8 +41,11 @@
     "prettier-plugin-jsdoc": "^1.3.0",
     "prettier-plugin-organize-imports": "^4.0.0",
     "remark-cli": "^12.0.1",
+    "remark-frontmatter": "^5.0.0",
+    "remark-lint": "^10.0.0",
     "remark-mdx": "^3.0.1",
-    "remark-mdx-frontmatter": "^5.0.0",
+    "remark-preset-lint-consistent": "^6.0.0",
+    "remark-preset-lint-recommended": "^7.0.0",
     "typescript": "^5.5.2",
     "typescript-eslint": "^8.4.0"
   },