Update env exemple

env.exemple

+########################### Server env vars
+API_PORT=30992
+LOGS_FOLDER=logs
+
 ########################### Database env vars
-DATABASE_TYPE=mysql
-DATABASE_HOST=host
-DATABASE_PORT=port
-DATABASE_USER=user
-DATABASE_PASSWORD=password
 DATABASE_ROOT_PASSWORD=password
-DATABASE_NAME=database
+DATABASE_URL="mysql://root:password@dojo-database:port/database"
+
+
+########################### Session env vars
+JWT_SECRET_KEY=secret
+SESSION_TIMEOUT=0
+
+ROLES_WITH_TEACHING_STAFF_PERMISSIONS='["teacher", "adjsci", "colsci", "assi"]'
+
+########################### Gitlab env vars
+GITLAB_API_URL=url
+GITLAB_URLS='["url"]'
+GITLAB_DOJO_ACCOUNT_ID=0
+GITLAB_DOJO_ACCOUNT_USERNAME=username
+GITLAB_DOJO_ACCOUNT_TOKEN=token
+GITLAB_GROUP_ROOT_ID=0
+GITLAB_GROUP_TEMPLATES_ID=0
+GITLAB_GROUP_ENONCES_ID=0
+GITLAB_GROUP_EXERCICES_ID=0
+
+########################### Enonce env vars
+ENONCE_DEFAULT_DESCRIPTION="description"
+ENONCE_DEFAULT_INIT_README=false
+ENONCE_DEFAULT_SHARED_RUNNERS_ENABLED=true
+ENONCE_DEFAULT_VISIBILITY=internal
+ENONCE_DEFAULT_WIKI_ENABLED=false
+ENONCE_DEFAULT_TEMPLATE=https://{{USERNAME}}:{{TOKEN}}@url.git
+
+########################### Exercice env vars
+EXERCICE_DEFAULT_DESCRIPTION="description"
+EXERCICE_DEFAULT_VISIBILITY=private
+EXERCICE_MAX_SAME_NAME=10
+
+########################### App env vars
+USER_PASSWORD_LENGTH=6
+USER_PASSWORD_SALT_ROUNDS=13
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