Update test server details in documentation

Added details about Nether and End being disabled and land regeneration policies.

wiki/other/test-server.md

@@ -6,6 +6,9 @@ description: Information about joining and using the Geyser test server.
 ### Details {#details}
 - IP: `test.geysermc.org` (default ports on both Bedrock and Java)
 - World size: 20k x 20k
+- Nether and End disabled
+- After 90 days, any untouched claimed land will be unclaimed
+- After 30 days, unclaimed land will be regenerated
 
 ### Infomation {#infomation}
 Geyser has a test server for those who want to test how Java \<-\> Bedrock crossplay works on their device, and to see the limitations and restrictions. You can join from either Bedrock or Java, and the server has [Floodgate](/wiki/floodgate/) installed so you don’t need a Java account to join from Bedrock.