chore: Fix Travis CI and add new mirror

.travis.yml

@@ -11,4 +11,6 @@ script:
 after_success:
   - cd master
   - git remote add coding https://$CODING_USER:$CODING_KEY@e.coding.net/scaffrey/hosts.git
-  - git push coding HEAD:master -f
+  - git remote add qvqnetwork https://$QVQNETWORK_TOKEN@git.qvq.network/googlehosts/hosts
+  - [ "$TRAVIS_PULL_REQUEST" = "false" ] && [ "TRAVIS_BRANCH" = "hosts-source" ] && git push coding HEAD:master -f
+  - [ "$TRAVIS_PULL_REQUEST" = "false" ] && [ "TRAVIS_BRANCH" = "hosts-source" ] && git push qvqnetwork HEAD:master -f