Added the garden supplier and their shop

Server/src/plugin/npc/city/falador/gardensupplier.java

@@ -0,0 +1,61 @@
+package plugin.npc.city.falador;
+
+import org.crandor.game.content.dialogue.DialoguePlugin;
+import org.crandor.game.node.entity.npc.NPC;
+import org.crandor.game.node.entity.player.Player;
+import org.crandor.plugin.InitializablePlugin;
+
+/**
+ * Handles the garden supplier NPC
+ * @author ceik
+ */
+@InitializablePlugin
+public class gardensupplier extends DialoguePlugin {
+    public gardensupplier(){
+        /**
+         * Empty
+         */
+    }
+    public gardensupplier(Player player){super(player);}
+
+    @Override
+    public DialoguePlugin newInstance(Player player){return new gardensupplier(player);}
+
+    @Override
+    public boolean open(Object... args){
+        npc("Hello, I sell many plants. Would you like","to see what I have?");
+        stage = 0;
+        return true;
+    }
+
+    @Override
+    public boolean handle(int componentId, int buttonId){
+        switch(stage){
+            case 0:
+                player.getDialogueInterpreter().sendOptions("Select one","Yes, please!","No, thanks.");
+                stage++;
+                break;
+            case 1:
+                switch(buttonId){
+                    case 1:
+                        player("Yes, please!");
+                        stage++;
+                        break;
+                    case 2:
+                        player("No, thanks.");
+                        stage = 10;
+                        break;
+                }
+                break;
+            case 2:
+                end();
+                new NPC(4251).openShop(player);
+                break;
+            case 10:
+                end();
+                break;
+        }
+        return true;
+    }
+    public int[] getIds() { return new int[] {4251};}
+}