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Create: CODE_OF_CONDUCT.md

Create: LICENSE.md, SECURITY.md, CONTRIBUTING.md

Delete: markdown.md

Create: README.md

Create: sw.js, index.html

Create: markdown.md

Create: index.html, sw.js

Create: index.html, sw.js

Create: index.html, sw.js

Create: icon-512.png, icon-192.png

Create: sw.js, index.html, manifest.json

Update: index.html

Create: index.html

Update: README.md

Update: README.md