Merge pull request #48 from WovenCoast/master

doc: replace `express-rate-limit` with `express-slow-down` in CommonJ…

readme.md

@@ -64,7 +64,7 @@ Import it in a CommonJS project (`type: commonjs` or no `type` field in
 `package.json`) as follows:
 
 ```ts
-const { slowDown } = require('express-rate-limit')
+const { slowDown } = require('express-slow-down')
 ```
 
 Import it in a ESM project (`type: module` in `package.json`) as follows: