feat: Enhances account request process in Matrix service

Removes email request instructions and adds a direct URL
for user account registration, improving the registration
workflow. Includes alternative link to the registration
source code repository for transparency and further access.

data/services.json

@@ -7,9 +7,19 @@
             "fork": false,
             "tiny_description": "decentralized messaging",
             "short_description": "Matrix is an open network for secure, decentralized communication.",
-            "long_description": "Private.coffee runs a Matrix server. You can use it to chat with other people at Private.coffee or around the world. Public registrations are currently disabled, send an email to support@private.coffee to request an account.",
+            "long_description": "Private.coffee runs a Matrix server. You can use it to chat with other people at Private.coffee or around the world.",
             "status": "OK",
             "links": [
+                {
+                    "name": "Request an Account",
+                    "url": "https://register.matrix.private.coffee",
+                    "alternatives": [
+                        {
+                            "name": "Source Code",
+                            "url": "https://git.private.coffee/PrivateCoffee/synapse-registration"
+                        }
+                    ]
+                },
                 {
                     "name": "Go to Element",
                     "url": "https://element.private.coffee",