Fixed formatting issues on markdown files.

Added markdown files to lint-staged

Author: adrianprelipcean

changelog.md

@@ -12,7 +12,6 @@ and this project adheres to
 
 - Using [pkgroll](https://github.com/privatenumber/pkgroll) to bundle library
 
-
 ## [1.0.2](https://github.com/adrianprelipcean/express-rate-limit-postgresql/releases/tag/v1.0.2)
 
 ### Added

package.json

@@ -88,6 +88,7 @@
   },
   "prettier": "@express-rate-limit/prettier",
   "lint-staged": {
+    "*.md": "prettier --write",
     "source/**/*.ts": "prettier --write",
     "test/**/*.ts": "prettier --write",
     "package.json": "npm run generate-licenses"