added cookie and privacy policy

Description

Added cookie policy page Added cookie consent banner Added privacy policy page

[x] My submission is formatted according to the guidelines in the contributing guide
[x] My addition is ordered alphabetically
[x] My submission has a useful description
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[x] Code has been tested thoroughly and passes all tests.
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[x] Pull request description clearly describes the changes included in the pull request.
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[x] Each table column is padded with one space on either side
[x] I have searched the repository for any relevant issues or pull requests
[x] Any category I am creating has the minimum requirement of 3 items