chore (CI): keep history on docs deploy

vladfaust · vladfaust · commit 290d95136f85 · 2019-02-18T15:00:39.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -8,6 +8,7 @@ script:
 deploy:
   provider: pages
   skip_cleanup: true
+  keep_history: true
   github_token: $GITHUB_TOKEN
   on:
     branch: master
