Make the obsidian platform default.

SkyGrid end portals are at y=0 so players fall into the void and this
will prevent them from doing so.

Fixes #58

src/main/java/world/bentobox/skygrid/Settings.java

@@ -105,7 +105,7 @@ public class Settings implements WorldSettings {
     @ConfigComment("This option indicates if obsidian platform in the end should be generated")
     @ConfigComment("when player enters the end world.")
     @ConfigEntry(path = "world.end.create-obsidian-platform", since = "1.16")
-    private boolean makeEndPortals = false;
+    private boolean makeEndPortals = true;
 
     /* SkyGrid */
     @ConfigComment("The probability of a frame being created in a chunk. Frames are always at y=0.")
@@ -722,6 +722,7 @@ public void setWorldFlags(Map<String, Boolean> worldFlags) {
      * @return the defaultIslandFlags
      * @deprecated since 1.21
      */
+    @Deprecated
     @Override
     public Map<Flag, Integer> getDefaultIslandFlags() {
         return Collections.emptyMap();
@@ -749,6 +750,7 @@ public void setDefaultIslandFlagNames(Map<String, Integer> defaultIslandFlags) {
      * @return the defaultIslandSettings
      * @deprecated since 1.21
      */
+    @Deprecated
     @Override
     public Map<Flag, Integer> getDefaultIslandSettings() {
         return Collections.emptyMap();

src/main/resources/config.yml

@@ -1029,7 +1029,7 @@ world:
     # This option indicates if obsidian platform in the end should be generated
     # when player enters the end world.
     # Added since 1.16.
-    create-obsidian-platform: false
+    create-obsidian-platform: true
   # The probability of a frame being created in a chunk. Frames are always at y=0.
   end-frame-probability: 0.1
   # Friendly name for this world. Used in admin commands. Must be a single word