[Tests] add evalmd

Author: ljharb

package.json

@@ -16,6 +16,7 @@
 		"aud": "^2.0.2",
 		"auto-changelog": "^2.4.0",
 		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
 		"in-publish": "^2.0.1",
 		"npmignore": "^0.3.0",
 		"safe-publish-latest": "^2.0.0",
@@ -38,6 +39,7 @@
 		"prepack": "npmignore --auto --commentLines=autogenerated",
 		"prepublish": "not-in-publish || npm run prepublishOnly",
 		"prepublishOnly": "safe-publish-latest",
+		"prelint": "evalmd README.md",
 		"lint": "eslint --ext=js,mjs .",
 		"pretest": "npm run lint",
 		"tests-only": "tape 'test/**/*.js'",