Changes:
- 345d482 Merge pull request #163 from EthanStandel/master
- 75d1e58 Merge branch 'master' of github.com:EthanStandel/next-sitemap
- d7a4ea5 Fixes lint issues around alternateRefs and hreflang features.
- 7875b28 Merge branch 'master' into master
- 6e312f6 Adds documentation for alternateRefs feature.
- e388ed7 Adds alternateRefs and hreflang support to global config.
- 63db6aa Merge pull request #162 from iamvishnusankar/dependabot/npm_and_yarn/next-10.2.2
- 3ed71ee AFixes lint errors around new hreflang support.
- 2639863 Support hreflang attribute to denote multi-locale support.
- e704c09 Fixes spelling of type ISitemapField.