Create/Update assets for version 1.21.3

assets/minecraft/models/block/mangrove_propagule.json

@@ -0,0 +1,49 @@
+{
+  "ambientocclusion": false,
+  "textures": {
+    "particle": "block/mangrove_propagule",
+    "sapling": "block/mangrove_propagule"
+  },
+  "elements": [
+    {
+      "name": "leaves",
+      "from": [4.5, 9, 8],
+      "to": [11.5, 15, 8],
+      "rotation": {"angle": 45, "axis": "y", "origin": [8, 0, 8], "rescale": true},
+      "faces": {
+        "north": {"uv": [4, 1, 11, 7], "texture": "#sapling"},
+        "south": {"uv": [4, 1, 11, 7], "texture": "#sapling"}
+      }
+    },
+    {
+      "name": "leaves",
+      "from": [8, 9, 4.5],
+      "to": [8, 15, 11.5],
+      "rotation": {"angle": 45, "axis": "y", "origin": [8, 0, 8], "rescale": true},
+      "faces": {
+        "east": {"uv": [4, 1, 11, 7], "texture": "#sapling"},
+        "west": {"uv": [4, 1, 11, 7], "texture": "#sapling"}
+      }
+    },
+    {
+      "name": "hypocotyl",
+      "from": [8, 0, 7],
+      "to": [8, 9, 9],
+      "rotation": {"angle": 45, "axis": "y", "origin": [8, 0, 8], "rescale": true},
+      "faces": {
+        "east": {"uv": [7, 7, 9, 16], "texture": "#sapling"},
+        "west": {"uv": [7, 7, 9, 16], "texture": "#sapling"}
+      }
+    },
+    {
+      "name": "hypocotyl",
+      "from": [7, 0, 8],
+      "to": [9, 9, 8],
+      "rotation": {"angle": 45, "axis": "y", "origin": [8, 0, 8], "rescale": true},
+      "faces": {
+        "north": {"uv": [7, 7, 9, 16], "texture": "#sapling"},
+        "south": {"uv": [7, 7, 9, 16], "texture": "#sapling"}
+      }
+    }
+  ]
+}