next 8.0.1-canary.0

[with-typescript] Fixed incorrect query type: #6238
Updated examples for build-time env configuration for v8: #6237
Add setup to run example with cookie authentication locally: #6101
Apply babel to .mjs files: #6253
Styled-components example: use a fragment for styles initial prop: #6252
Add yarn check to test: #6257
Change anynymous functions to named functions on examples in the README.md file: #6255
Add module as server fallback main field: #6256
Fix Runtime Config in next export: #6258
Set default Error status code to 404: #6276
Fix Docs: #6270

Huge thanks to @resir014, @Ephem, @j0lv3r4, @developit, @elliottsj, @dav-is, @Timer, and @revskill10 for helping!