Adds a new default stargate to display the possibility of using several border materials

src/main/java/net/knarcraft/stargate/portal/property/gate/GateHandler.java

@@ -243,6 +243,7 @@ public class GateHandler {
         loadGateFromJar("nethergate.gate", gateFolder);
         loadGateFromJar("watergate.gate", gateFolder);
         loadGateFromJar("endgate.gate", gateFolder);
+        loadGateFromJar("squarenetherglowstonegate.gate", gateFolder);
     }
 
     /**

src/main/resources/gates/squarenetherglowstonegate.gate

@@ -0,0 +1,13 @@
+portal-open=NETHER_PORTAL
+portal-closed=AIR
+button=OAK_BUTTON
+toowner=false
+X=OBSIDIAN
+-=GLOWSTONE
+A=GLOWSTONE
+
+ XAX
+X...X
+-...-
+X.*.X
+ XAX