[0.30.0](https://github.com/projen/projen/compare/v0.29.17...v0.30.0) (2021-10-11)
⚠ BREAKING CHANGES
* **typescript:** `tsconfig.jest.json` and `tsconfig.eslint.json` are now combined into a single `tsconfig.dev.json`. You can interact with this file it via the `typescriptProject.tsconfigDev` property.
* **jest:** The method `generateTypescriptConfig()` has been replaced with `addTypeScriptSupport()`.
Features
* **typescript:** allow projen .ts files to reside under `projenrc` ([1132](https://github.com/projen/projen/issues/1132)) ([b9a3f9c](https://github.com/projen/projen/commit/b9a3f9c6da0793bec5bf72402d8c087cfca127a3))