Update README.md (#6)

Author: cnblogs-dudu

README.md

@@ -1,7 +1,9 @@
-# Important update
-This organization is not maintained anymore besides critical security bugfixes (if feasible). This organization will be archived when .NET Core 3.1 end of support is reached (3rd Dec 2022). All new development is happening in the new [Duende Software](https://github.com/duendesoftware) organization. 
+# INSTALLING PACKAGES
 
-The new [Duende IdentityServer](https://duendesoftware.com/products/identityserver) comes with a commercial license but is [free](https://blog.duendesoftware.com/posts/20220111_fair_trade/) for dev/testing/personal projects and companies or individuals making less than 1M USD gross annnual revenue. Please [get in touch with us](https://duendesoftware.com/contact) if you have any question.
+```shell
+dotnet add package Cnblogs.IdentityServer4
+dotnet add package Cnblogs.IdentityServer4.EntityFramework
+```
 
 ## About IdentityServer4
 [<img align="right" width="100px" src="https://dotnetfoundation.org/img/logo_big.svg" />](https://dotnetfoundation.org/projects?searchquery=IdentityServer&type=project)
@@ -11,34 +13,13 @@ Founded and maintained by [Dominick Baier](https://twitter.com/leastprivilege) a
 IdentityServer4 is officially [certified](https://openid.net/certification/) by the [OpenID Foundation](https://openid.net) and thus spec-compliant and interoperable.
 It is part of the [.NET Foundation](https://www.dotnetfoundation.org/), and operates under their [code of conduct](https://www.dotnetfoundation.org/code-of-conduct). It is licensed under [Apache 2](https://opensource.org/licenses/Apache-2.0) (an OSI approved license).
 
-For project documentation, please visit [readthedocs](https://identityserver4.readthedocs.io).
-
-## Branch structure
-Active development happens on the main branch. This always contains the latest version. Each (pre-) release is tagged with the corresponding version. The [aspnetcore1](https://github.com/IdentityServer/IdentityServer4/tree/aspnetcore1) and [aspnetcore2](https://github.com/IdentityServer/IdentityServer4/tree/aspnetcore2) branches contain the latest versions of the older ASP.NET Core based versions.
-
 ## How to build
 
-* [Install](https://www.microsoft.com/net/download/core#/current) the latest .NET Core 3.1 SDK
+* Install the latest .NET SDK
 * Install Git
 * Clone this repo
 * Run `build.ps1` or `build.sh` in the root of the cloned repo
 
-## Documentation
-For project documentation, please visit [readthedocs](https://identityserver4.readthedocs.io).
-
-See [here](http://docs.identityserver.io/en/aspnetcore1/) for the 1.x docs, and [here](http://docs.identityserver.io/en/aspnetcore2/) for the 2.x docs.
-
-## Bug reports and feature requests
-Please use the [issue tracker](https://github.com/IdentityServer/IdentityServer4/issues) for that. We only support the latest version for free. For older versions, you can get a commercial support agreement with us.
-
-## Commercial and Community Support
-If you need help with implementing IdentityServer4 or your security architecture in general, there are both free and commercial support options.
-See [here](https://identityserver4.readthedocs.io/en/latest/intro/support.html) for more details.
-
-## Sponsorship
-If you are a fan of the project or a company that relies on IdentityServer, you might want to consider sponsoring.
-This will help us devote more time to answering questions and doing feature development. If you are interested please head to our [Patreon](https://www.patreon.com/identityserver) page which has further details.
-
 ### Platinum Sponsors
 [<img src="https://user-images.githubusercontent.com/1454075/62819413-39550c00-bb55-11e9-8f2f-a268c3552c71.png" width="200">](https://udelt.no)