feat(provider): add Bitbucket provider (#12198)
* feat(provider): add Bitbucket provider for authentication
* simplify bitbucket.ts
* add bitbucket.svg
* align doc structure with other providers
* simplify config/options
* format
* chore(docs): add missing documentation in `getting-started/providers`
* chore: update callback URLs in `bitbucket` provider
* chore: remove `pnpm-lock.yaml`
* chore: restore `pnpm-lock.yaml` file from `main`
* Update manifest.json
* Update bitbucket.mdx
* Update index.ts
* Update index.ts
* Update 2_bug_provider.yml
* Update index.ts
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Co-authored-by: Falco Winkler <8613031+falcowinkler@users.noreply.github.com>
Co-authored-by: Balázs Orbán <info@balazsorban.com>
