Add links to RIRs list and order alphabetically

Author: RebeccaTamachiro

src/content/docs/byoip/get-started.mdx

@@ -15,11 +15,11 @@ Once your account configurations are in place, consider the sections below to le
 
 - Your prefix must be registered under one of the following Regional Internet Registries (RIRs):
 
-		- ARIN
-		- RIPE
-		- APNIC
-		- AFRINIC
-		- LACNIC
+    - [AFRINIC](https://afrinic.net/)
+    - [APNIC](https://www.apnic.net/)
+    - [ARIN](https://www.arin.net/)
+    - [LACNIC](https://lacnic.net/)
+    - [RIPE](https://www.ripe.net/)
 
 - Also verify that your [Internet Routing Registry (IRR)](/byoip/concepts/irr-entries/) records are  are up to date and contain: