message: docs(dev-infra): correct wrong link for README
diff: <img src="./icon.png" align="right" title="ts-jest Logo" width="128" height="128">
  -It supports all features of TypeScript including type-checking. [Read more about Babel7 + `preset-typescript` **vs** TypeScript (and `ts-jest`)](https://kulshekhar.github.io/ts-jest/website/babel7-or-ts).
  +It supports all features of TypeScript including type-checking. [Read more about Babel7 + `preset-typescript` **vs** TypeScript (and `ts-jest`)](https://kulshekhar.github.io/ts-jest/docs/babel7-or-ts).
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