Change deploy script

Author: rigor789

.gitignore

@@ -1,5 +1,4 @@
 package-lock.json
 node_modules
 platforms/
-screenshots/
-!screenshots/.gitkeep
+screenshots/

deploy.sh

@@ -3,9 +3,11 @@
 git config --global user.email "[email protected]"
 git config --global user.name "Travis CI"
 
-git checkout -b gh-pages
 git add -f screenshots
 git commit --message "Travis deploy: $TRAVIS_JOB_NUMBER"
 
-git remote add origin-pages https://${GITHUB_TOKEN}@github.com/rigor789/nativescript-vue-ui-tests.git > /dev/null 2>&1
-git push --force origin-pages gh-pages
+git remote add origin-push https://${GITHUB_TOKEN}@github.com/rigor789/nativescript-vue-ui-tests.git > /dev/null 2>&1
+
+git pull origin-push master
+
+git push origin-push master