feat(addons): hemp plant, wild cherry tree, naturalist-lite

New addons:
- hemp-addon: silverlabs:hemp_crop (5 ages, indoor sun-lamp grown vs
  outdoor sky-lit), shears harvest, cauldron tincture, brownie food,
  bonemeal, sun-lamp redstone-lit block (light_dampening: 0 so crops
  beneath stay lit), grass-seed bootstrap, wandering-trader buyback,
  pillager raid stealing.
- trees-features-addon: ods_orch wild cherry tree — log/leaves/planks/
  stripped/sapling/fruit blocks with seasonal fruit states, structure-
  spawn worldgen.
- naturalist-lite-addon: 13-mob subset of Naturalist (deer, fox, owl,
  skunk, snake, hedgehog, red panda, capybara, elephant, kangaroo,
  moose, tiger, firefly), trimmed for Switch joinability.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

hemp-addon/hemp_BP/manifest.json

@@ -0,0 +1,54 @@
+{
+  "format_version": 2,
+  "header": {
+    "name": "Hemp Plant",
+    "description": "Plantable hemp crop with sheers harvesting, cauldron tincture, brownie food, sun-lamp block",
+    "uuid": "910fafaf-bcb0-4f1a-8a05-bd235a537c3b",
+    "version": [
+      1,
+      0,
+      0
+    ],
+    "min_engine_version": [
+      1,
+      21,
+      0
+    ]
+  },
+  "modules": [
+    {
+      "type": "data",
+      "uuid": "a10b077f-703b-46b6-b45e-71ee2044c07c",
+      "version": [
+        1,
+        0,
+        0
+      ]
+    },
+    {
+      "type": "script",
+      "language": "javascript",
+      "uuid": "6e6ef947-60fc-49d2-97c1-b3cab6661ece",
+      "version": [
+        1,
+        0,
+        0
+      ],
+      "entry": "scripts/main.js"
+    }
+  ],
+  "dependencies": [
+    {
+      "module_name": "@minecraft/server",
+      "version": "1.17.0"
+    },
+    {
+      "uuid": "8e5c46ac-3b16-4f51-89f7-673bd06600f4",
+      "version": [
+        1,
+        0,
+        5
+      ]
+    }
+  ]
+}