fix missing var name in environment.j2

environment.j2

@@ -18,7 +18,7 @@ export POD_CHARLESREID1_MYSQL_PASSWORD="{{ pod_charlesreid1_mysql_password }}"
 
 # gitea:
 # ------
-export POD_CHARLESREID1_GITEA_APP_NAME=""
+export POD_CHARLESREID1_GITEA_APP_NAME="{{ pod_charlesreid1_gitea_app_name }}"
 export POD_CHARLESREID1_GITEA_SECRET_KEY="{{ pod_charlesreid1_gitea_secretkey }}"
 export POD_CHARLESREID1_GITEA_INTERNAL_TOKEN="{{ pod_charlesreid1_gitea_internaltoken }}"