[1.13.5] Small bugfix

Bugfixes

• Fix path to babel runtime in case of transpiled generators
• Change Terser configuration to preserve PURE comments when minifying (useful for libraries)

Internal

• Separate Github Actions for Documentation Generation and Continuous Integration
• Clean some old TODOs and integration tests specifics

Updates

• @babel/* to 7.12.*
• Jest to 26.5.3
• css-loader to 5.0.0
• postcss-loader to 4.0.4
• rollup-plugin-typescript2 to 0.28.0
• ts-loader to 8.0.5
• rollup to 2.32.0
• eslint-config-prettier to 6.13.0
• eslint-plugin-react to 7.21.4
• react/react-dom to 16.14.0