Added command alias "claimlist"

Some players forget the S.

plugin.yml

@@ -125,6 +125,7 @@ commands:
    claimslist:
       description: Lists information about a player's claim blocks and claims.
       usage: /ClaimsList or /ClaimsList <player>
+      aliases: claimlist
    claimexplosions:
       description: Toggles whether explosives may be used in a specific land claim.
       usage: /ClaimExplosions