Add Braintree VBE and update UG links (#8151)

* Update vendor.md

* Added Braintree to compatibility matrix

Co-authored-by: Jeff Matthews <matthews.jeffery@gmail.com>

Author: leslietilling

src/_data/vbe.yml

@@ -80,6 +80,19 @@ extensions:
           2.3.4: not supported
           2.3.5-p1: not supported
           2.4.0: not supported
+  -
+    name: Braintree
+    versions:
+      -
+        name: 4.1.0
+        support:
+          2.3.0: not supported
+          2.3.1: not supported
+          2.3.2: not supported
+          2.3.3: not supported
+          2.3.4: not supported
+          2.3.5-p1: not supported
+          2.4.0: supported
   -
     name: dotdigital
     versions:

src/extensions/vendor/vendor.md

@@ -8,11 +8,12 @@ Vendor Bundled Extensions (VBEs) are third-party extensions that we have thoroug
 
 Current VBEs include:
 
--  [Amazon Pay](https://docs.magento.com/m2/ce/user_guide/payment/amazon-pay.html)
--  [dotdigital](https://docs.magento.com/m2/ce/user_guide/marketing/engagement-cloud.html) (formerly Dotmailer)
--  [Klarna](https://docs.magento.com/m2/ce/user_guide/payment/klarna.html)
--  [Vertex](https://docs.magento.com/m2/ce/user_guide/tax/vertex.html)
--  [Yotpo](https://docs.magento.com/m2/ce/user_guide/marketing/yotpo-reviews-intro.html)
+-  [Amazon Pay](https://docs.magento.com/user-guide/payment/amazon-pay.html)
+-  [dotdigital](https://docs.magento.com/user-guide/marketing/engagement-cloud.html) (formerly Dotmailer)
+-  [Klarna](https://docs.magento.com/user-guide/payment/klarna.html)
+-  [Vertex](https://docs.magento.com/user-guide/tax/vertex.html)
+-  [Yotpo](https://docs.magento.com/user-guide/marketing/yotpo-reviews-intro.html)
+-  [Braintree](https://docs.magento.com/user-guide/payment/braintree.html) (formerly part of core Magento)
 
 {:.bs-callout-info}
 Installing or upgrading Magento also installs VBEs, but you may need to set up an account with a vendor to configure and use an extension.
@@ -21,4 +22,4 @@ Installing or upgrading Magento also installs VBEs, but you may need to set up a
 
 The following table shows VBE version compatibility with Magento:
 
-{% include compatibility-vbe.md data=site.data.vbe%}
+{% include compatibility-vbe.md data=site.data.vbe%}