Please update docs before releasing a major version

[theianjohnson]

See https://reactnavigation.org/docs/drawer-navigator/#checking-if-the-drawer-is-open which conflicts with https://reactnavigation.org/docs/upgrading-from-5.x

[satya164]

It's an open-source project, it's totally possible to miss parts of docs when updating. Feel free to send PRs to fix the docs or open specific issues about missing parts instead of opening an issue saying "update docs before releasing a major version"