Fix breaking FluidDocs build

Make sure the necessary env variables are passed

scripts/deploy_docs.sh

@@ -48,6 +48,8 @@ docker run -it \
     -e CONTENT_DEC_PASSWD=$CONTENT_DEC_PASSWD \
     -e TRAVIS_BRANCH=$TRAVIS_BRANCH \
     -e DEPLOY_DOCS_SH=$DEPLOY_DOCS_SH \
+    -e AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY_ID \
+    -e AWS_SECRET_ACCESS_KEY=$AWS_SECRET_ACCESS_KEY \
     -e TRAVIS_PULL_REQUEST=$TRAVIS_PULL_REQUEST \
     -e PPO_SCRIPT_BRANCH=$PPO_SCRIPT_BRANCH \
     -e PADDLE_ROOT=/FluidDoc/external/Paddle \