feat(homepage):add footer for homepage #38
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![Screenshot (235)](https://user-images.githubusercontent.com/64092741/139414640-8a8e4118-4a90-4e0e-9bc4-4876326a15d2.png)
![Screenshot (236)](https://user-images.githubusercontent.com/64092741/139414648-7a6ebb77-8416-490e-bb72-48216f877554.png)
Description of the change: add footer for homepage