chore(*.md): lint markdown command + add to lint-staged

.markdownlintignore

@@ -0,0 +1,4 @@
+node_modules/
+vendor/
+dist/
+generated/

package.json

@@ -1,6 +1,6 @@
 {
   "name": "coryd.dev",
-  "version": "10.3.4",
+  "version": "10.3.5",
   "description": "The source for my personal site. Built using 11ty (and other tools).",
   "type": "module",
   "engines": {
@@ -15,6 +15,7 @@
     "clean": "rimraf dist .cache",
     "format": "npx prettier --write '**/*.{js,ts,json,css,md}' && composer format:php && npm run format:sql",
     "format:sql": "find queries -name '*.sql' -print0 | xargs -0 -n 1 sql-formatter --language postgresql --fix",
+    "lint:md": "markdownlint '**/*.md'",
     "update": "composer update && npm upgrade && npm --prefix cli upgrade && ncu && ncu --cwd cli",
     "setup": "sh ./scripts/setup.sh",
     "setup:deploy": "sh ./scripts/setup.sh  --deploy",
@@ -22,7 +23,8 @@
   },
   "lint-staged": {
     "*.{js,json,css,md}": "prettier --write",
-    "*.php": "composer format:php"
+    "*.php": "composer format:php",
+    "*.md": "markdownlint"
   },
   "keywords": [
     "11ty",
@@ -56,6 +58,8 @@
     "markdown-it-footnote": "^4.0.0",
     "markdown-it-link-attributes": "4.0.1",
     "markdown-it-prism": "^3.0.0",
+    "markdownlint": "0.38.0",
+    "markdownlint-cli": "0.45.0",
     "postcss": "^8.5.5",
     "postcss-import": "^16.1.0",
     "postcss-import-ext-glob": "^2.1.1",