:docs: fix(readme) removed old subscritpion and cleaned text

Signed-off-by: Benoit Mortier <benoit.mortier@fusiondirectory.org>

README.md

 # FusionDirectory Integrator
 
-FusionDirectory Integrator is a base set of library used to create console tools and, in the future, the base of our toolkit to create new software around FusionDirectory
+FusionDirectory Integrator is a base set of library used to create console tools and the base of our toolkit to create new software around FusionDirectory
 
 ## Features
 
@@ -19,12 +19,10 @@ There are a couple of ways you can try [to get help][get help].
 
 Professional support is provided through of subscription.
 
-We have two type of subscription :
+* [FusionDirectory Subscription][subscription-fusiondirectory] : Global subscription for FusionDirectory 
 
-* [FusionDirectory][subscription-fusiondirectory] : Global subscription for FusionDirectory and all the plugins
-* [FusionDirectory Plus][subscription-fusiondirectory-plus] : Expert Support on Education, Deployment and Infrastructure plugins
-
-The subscription provides access to FusionDirectory's stable enterprise repository, providing reliable software updates and security enhancements, as well as technical help and support.
+The subscription provides access to FusionDirectory's enterprise repository, tested and pre-packaged versions with patches between versions, 
+providing reliable software updates and security enhancements, as well as technical help and support.
 
 Choose the plan that's right for you. Our subscriptions are flexible and scalable according to your needs
 
@@ -33,7 +31,7 @@ The subscription period is one year from the date of purchase and provides you w
 ### Best practice badge
 
 [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/351/badge)](https://bestpractices.coreinfrastructure.org/projects/351)
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+  
 ## Crowfunding
 
 If you like us and want to send us a small contribution, you can use the following crowdfunding services
@@ -42,6 +40,8 @@ If you like us and want to send us a small contribution, you can use the followi
 
 * [donate-kofi]
 
+* [donate-github]
+  
 ## License
 
 [FusionDirectory][FusionDirectory] is  [GPL 2 License](COPYING).
@@ -52,18 +52,13 @@ If you like us and want to send us a small contribution, you can use the followi
 
 [get help]: https://fusiondirectory-user-manual.readthedocs.io/en/latest/support/index.html
 
-[subscription-fusiondirectory]: https://www.fusiondirectory.org/en/subscription-fusiondirectory/
+[subscription-fusiondirectory]: https://www.fusiondirectory.org/en/iam-tool-service-subscriptions/
 
-[register]: https://register.fusiondirectory.org/
+[register]: https://register.fusiondirectory.org
 
 [donate-liberapay]: https://liberapay.com/fusiondirectory/donate
 
-[donate-kofi]: https://ko-fi.com/fusiondirectory/
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+[donate-kofi]: https://ko-fi.com/fusiondirectory
 
+[donate-github]: https://github.com/fusiondirectory