Merge branch 'release/v2021.09.02-otterscan'

README.md

docs/sourcify.md

package-lock.json

package.json

src/AddressTransactions.tsx

src/Block.tsx

src/Transaction.tsx

src/address/ABI.tsx

src/address/Contract.tsx

src/address/Contracts.tsx

src/address/RadioButton.tsx

src/components/NavTab.tsx

src/components/Tab.tsx

src/react-app-env.d.ts

src/url.ts

src/useSourcify.ts

tailwind.config.js