add rhubarb seeds

rhubarb.lua

@@ -1,4 +1,11 @@
-
+minetest.register_craftitem("farming:rhubarb_seed", {
+    description = "Rhubarb Seeds",
+    inventory_image = "farming_rhubarb_seed.png",
+    on_place = function(itemstack, placer, pointed_thing)
+        return farming.place_seed(itemstack, placer, pointed_thing, "farming:rhubarb_1")
+    end
+})
+                            
 -- rhubarb
 minetest.register_craftitem("farming:rhubarb", {
 	description = "Rhubarb",
@@ -56,6 +63,7 @@ crop_def.drop = {
 	items = {
 	{items = {'farming:rhubarb 2'}, rarity = 1},
 		{items = {'farming:rhubarb'}, rarity = 2},
+        {items = {'farming:rhubarb_seed 2'}, rarity = 2},
 		{items = {'farming:rhubarb'}, rarity = 3},
 	}
 }

todo.md

@@ -3,6 +3,6 @@
 * [ ] orange_seed
 * [x] tomato_seed
 * [x] potatoe_seed
-* [ ] rhubarb_seed
+* [x] rhubarb_seed
 * [ ] strawberry_seed
 * [ ] pumpkin_seed