added main python file
Merge branch 'master' of https://github.com/nickhamlin/gg_photo_frame

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added api_key.txt to gitignore
Merge branch 'master' of https://github.com/nickhamlin/gg_photo_frame

# Please enter a commit message to explain why this merge is necessary,
# especially if it merges an updated upstream into a topic branch.
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# the commit.