Added ender slayer and excavation

eco-core/core-plugin/src/main/resources/enchants/ender_slayer.yml

@@ -0,0 +1,28 @@
+display-name: "Ender Slayer"
+description: "Gives a &a%placeholder%&r bonus to melee damage against end mobs"
+placeholder: "1 + 0.5 * %level%"
+type: normal
+
+targets:
+  - sword
+conflicts: [ ]
+rarity: uncommon
+max-level: 6
+
+tradeable: true
+discoverable: true
+enchantable: true
+
+effects:
+  - id: add_damage
+    args:
+      damage: "1 + 0.5 * %level%"
+    triggers:
+      - melee_attack
+    filters:
+      entities:
+        - enderman
+        - endermite
+        - ender_dragon
+
+conditions: [ ]

eco-core/core-plugin/src/main/resources/enchants/excavation.yml

@@ -0,0 +1,25 @@
+display-name: "Excavation"
+description: "Digs &a%placeholder%&r extra blocks"
+placeholder: "%level%"
+type: normal
+
+targets:
+  - shovel
+conflicts: [ ]
+rarity: legendary
+max-level: 5
+
+tradeable: true
+discoverable: true
+enchantable: true
+
+effects:
+  - id: drill
+    args:
+      amount: "%level%"
+      check-hardness: true
+      disable-on-sneak: true
+    triggers:
+      - mine_block
+
+conditions: [ ]