Clarify token precedence between GitHub and GitLab

Author: Ndpnt

.env.example

@@ -1,5 +1,8 @@
 OTA_ENGINE_SENDINBLUE_API_KEY='xkeysib-3f51c…'
 OTA_ENGINE_SMTP_PASSWORD='password'
+
+# If both GitHub and GitLab tokens are defined, GitHub takes precedence for dataset publishing
 OTA_ENGINE_GITHUB_TOKEN=ghp_XXXXXXXXX
+
 OTA_ENGINE_GITLAB_TOKEN=XXXXXXXXXX
 OTA_ENGINE_GITLAB_RELEASES_TOKEN=XXXXXXXXXX

scripts/dataset/publish/index.js

@@ -2,6 +2,7 @@ import publishGitHub from './github/index.js';
 import publishGitLab from './gitlab/index.js';
 
 export default function publishRelease({ archivePath, releaseDate, stats }) {
+  // If both GitHub and GitLab tokens are defined, GitHub takes precedence
   if (process.env.OTA_ENGINE_GITHUB_TOKEN) {
     return publishGitHub({ archivePath, releaseDate, stats });
   }