docs(EtsyProvider): Add links to etsy provider docs and author, update docs

docs(PostConfigure): Add Warning that he needs to add the claims himself for detailed user info if he wants to use `PostConfigure` himself, which runs after the Provider side

chore: apply PR reword suggestions

chore: Update Etsy.md TOC

chore: Apply PR suggestions

Author: DevTKSS

README.md

@@ -90,6 +90,7 @@ We would love it if you could help contributing to this repository.
 * [Robert Shade](https://github.com/robert-shade)
 * [saber-wang](https://github.com/saber-wang)
 * [Sinan](https://github.com/SH2015)
+* [Sonja Schweitzer](https://github.com/DevTKSS)
 * [Stefan](https://github.com/Schlurcher)
 * [Steffen Wenz](https://github.com/swenz)
 * [Tathagata Chakraborty](https://github.com/tatx)
@@ -182,6 +183,7 @@ If a provider you're looking for does not exist, consider making a PR to add one
 | Docusign | [![NuGet](https://img.shields.io/nuget/v/AspNet.Security.OAuth.Docusign?logo=nuget&label=NuGet&color=blue)](https://www.nuget.org/packages/AspNet.Security.OAuth.Docusign/ "Download AspNet.Security.OAuth.Docusign from NuGet.org") | [![MyGet](https://img.shields.io/myget/aspnet-contrib/vpre/AspNet.Security.OAuth.Docusign?logo=nuget&label=MyGet&color=blue)](https://www.myget.org/feed/aspnet-contrib/package/nuget/AspNet.Security.OAuth.Docusign "Download AspNet.Security.OAuth.Docusign from MyGet.org") | [Documentation](https://developers.docusign.com/platform/auth/ "Docusign developer documentation") |
 | Dropbox | [![NuGet](https://img.shields.io/nuget/v/AspNet.Security.OAuth.Dropbox?logo=nuget&label=NuGet&color=blue)](https://www.nuget.org/packages/AspNet.Security.OAuth.Dropbox/ "Download AspNet.Security.OAuth.Dropbox from NuGet.org") | [![MyGet](https://img.shields.io/myget/aspnet-contrib/vpre/AspNet.Security.OAuth.Dropbox?logo=nuget&label=MyGet&color=blue)](https://www.myget.org/feed/aspnet-contrib/package/nuget/AspNet.Security.OAuth.Dropbox "Download AspNet.Security.OAuth.Dropbox from MyGet.org") | [Documentation](https://www.dropbox.com/developers/reference/oauth-guide?_tk=guides_lp&_ad=deepdive2&_camp=oauth "Dropbox developer documentation") |
 | eBay | [![NuGet](https://img.shields.io/nuget/v/AspNet.Security.OAuth.Ebay?logo=nuget&label=NuGet&color=blue)](https://www.nuget.org/packages/AspNet.Security.OAuth.Ebay/ "Download AspNet.Security.OAuth.Ebay from NuGet.org") | [![MyGet](https://img.shields.io/myget/aspnet-contrib/vpre/AspNet.Security.OAuth.Ebay?logo=nuget&label=MyGet&color=blue)](https://www.myget.org/feed/aspnet-contrib/package/nuget/AspNet.Security.OAuth.Ebay "Download AspNet.Security.OAuth.Ebay from MyGet.org") | [Documentation](https://developer.ebay.com/api-docs/static/oauth-tokens.html "eBay developer documentation") |
+| Etsy | [![NuGet](https://img.shields.io/nuget/v/AspNet.Security.OAuth.Etsy?logo=nuget&label=NuGet&color=blue)](https://www.nuget.org/packages/AspNet.Security.OAuth.Etsy/ "Download AspNet.Security.OAuth.Etsy from NuGet.org") | [![MyGet](https://img.shields.io/myget/aspnet-contrib/vpre/AspNet.Security.OAuth.Etsy?logo=nuget&label=MyGet&color=blue)](https://www.myget.org/feed/aspnet-contrib/package/nuget/AspNet.Security.OAuth.Etsy "Download AspNet.Security.OAuth.Etsy from MyGet.org") | [Documentation](https://developers.etsy.com/documentation/essentials/authentication "Etsy developer documentation") |
 | EVEOnline | [![NuGet](https://img.shields.io/nuget/v/AspNet.Security.OAuth.EVEOnline?logo=nuget&label=NuGet&color=blue)](https://www.nuget.org/packages/AspNet.Security.OAuth.EVEOnline/ "Download AspNet.Security.OAuth.EVEOnline from NuGet.org") | [![MyGet](https://img.shields.io/myget/aspnet-contrib/vpre/AspNet.Security.OAuth.EVEOnline?logo=nuget&label=MyGet&color=blue)](https://www.myget.org/feed/aspnet-contrib/package/nuget/AspNet.Security.OAuth.EVEOnline "Download AspNet.Security.OAuth.EVEOnline from MyGet.org") | [Documentation](https://github.com/esi/esi-docs/blob/master/docs/sso/web_based_sso_flow.md "EVEOnline developer documentation") |
 | ExactOnline | [![NuGet](https://img.shields.io/nuget/v/AspNet.Security.OAuth.ExactOnline?logo=nuget&label=NuGet&color=blue)](https://www.nuget.org/packages/AspNet.Security.OAuth.ExactOnline/ "Download AspNet.Security.OAuth.ExactOnline from NuGet.org") | [![MyGet](https://img.shields.io/myget/aspnet-contrib/vpre/AspNet.Security.OAuth.ExactOnline?logo=nuget&label=MyGet&color=blue)](https://www.myget.org/feed/aspnet-contrib/package/nuget/AspNet.Security.OAuth.ExactOnline "Download AspNet.Security.OAuth.ExactOnline from MyGet.org") | [Documentation](https://support.exactonline.com/community/s/knowledge-base#All-All-DNO-Content-gettingstarted "ExactOnline developer documentation") |
 | Feishu | [![NuGet](https://img.shields.io/nuget/v/AspNet.Security.OAuth.Feishu?logo=nuget&label=NuGet&color=blue)](https://www.nuget.org/packages/AspNet.Security.OAuth.Feishu/ "Download AspNet.Security.OAuth.Feishu from NuGet.org") | [![MyGet](https://img.shields.io/myget/aspnet-contrib/vpre/AspNet.Security.OAuth.Feishu?logo=nuget&label=MyGet&color=blue)](https://www.myget.org/feed/aspnet-contrib/package/nuget/AspNet.Security.OAuth.Feishu "Download AspNet.Security.OAuth.Feishu from MyGet.org") | [Documentation](https://open.feishu.cn/document/common-capabilities/sso/web-application-sso/web-app-overview "Feishu developer documentation") |

docs/README.md

@@ -50,6 +50,7 @@ covered by the section above.
 | Discord | _Optional_ | [Documentation](discord.md "Discord provider documentation") |
 | Docusign | **Required** | [Documentation](docusign.md "Docusign provider documentation") |
 | eBay | **Required** | [Documentation](ebay.md "eBay provider documentation") |
+| Etsy | _Optional_ | [Documentation](etsy.md "Etsy provider documentation") |
 | EVEOnline | _Optional_ | [Documentation](eveonline.md "EVEOnline provider documentation") |
 | Foursquare | _Optional_ | [Documentation](foursquare.md "Foursquare provider documentation") |
 | GitCode | _Optional_ | [Documentation](gitcode.md "GitCode provider documentation") |