Create Playwright test harness#14

Merged

HannahZhuSWE merged 8 commits intostaticwebdev:mainfrom

HannahZhuSWE:main

Jul 6, 2022

Commits on Jun 21, 2022

added a readme for tests
HannahZhuSWE
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Commits on Jun 22, 2022

changed format of test readme file
HannahZhuSWE
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Commits on Jun 29, 2022

updated with recommendations from Fran
HannahZhuSWE
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Commits on Jun 30, 2022

updated github action to run on all branches
HannahZhuSWE
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