Skip generation of JWT keypair if it exists

Author: Seros

README.md

@@ -30,7 +30,7 @@ Lastly, if you just want to see the module in action and run the tests yourself
 
    php bin/console doctrine:fixtures:load --quiet
 
-   php bin/console lexik:jwt:generate-keypair
+   php bin/console lexik:jwt:generate-keypair --skip-if-exists
    ```
 
 Then, go to the project directory and run:

composer.json

@@ -106,7 +106,7 @@
         "post-create-project-cmd": [
             "@php bin/console doctrine:schema:update --force",
             "@php bin/console doctrine:fixtures:load --quiet",
-            "@php bin/console lexik:jwt:generate-keypair"
+            "@php bin/console lexik:jwt:generate-keypair --skip-if-exists"
         ]
     },
     "conflict": {