style(front-door): add missing 'n' to the command used to init commitizen in the help

it's very helpful to just copy to command used to initialize commitizen, but very annoying to keep
adding the missing 'n' each time

Author: Oussama Elgoumri

src/cli/commitizen.js

@@ -53,7 +53,7 @@ function bootstrap(environment = {}) {
     contributors to follow your commit message conventions using commitizen then
     you'll need to run a command like this one to add this adapter to your config:
         
-         commitizen init cz-convetional-changelog --save
+         commitizen init cz-conventional-changelog --save
         
     You should swap out cz-conventional-changelog for the NPM package name of the
     adapter you wish you install in your project's package.json.
@@ -84,4 +84,4 @@ function bootstrap(environment = {}) {
     `);
   }
 
-}
+}