Default: Add nodebox mese post light usable as a growlamp (#1480)

Light level 14 to be able to grow plants.
3 returned from crafting with 1 glass node, 3 mese crystals and 1
wood plank.
Seamlessly placable on appletree wood fence posts.

mods/default/README.txt

@@ -115,6 +115,9 @@ paramat (CC BY-SA 3.0):
   default_grass_side.png
   default_mese_block.png
   default_silver_sand.png
+  default_mese_post_light_side.png
+  default_mese_post_light_side_dark.png
+  default_mese_post_light_top.png
 
 brunob.santos (CC BY-SA 4.0):
   default_desert_cobble.png

mods/default/crafting.lua

@@ -639,6 +639,15 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_craft({
+	output = "default:mese_post_light 3",
+	recipe = {
+		{"", "default:glass", ""},
+		{"default:mese_crystal", "default:mese_crystal", "default:mese_crystal"},
+		{"", "group:wood", ""},
+	}
+})
+
 minetest.register_craft({
 	output = 'default:obsidian_shard 9',
 	recipe = {

mods/default/nodes.lua

@@ -182,6 +182,7 @@ default:obsidian_glass
 default:brick
 
 default:meselamp
+default:mese_post_light
 
 Misc
 ----
@@ -2078,6 +2079,27 @@ minetest.register_node("default:meselamp", {
 	light_source = default.LIGHT_MAX,
 })
 
+minetest.register_node("default:mese_post_light", {
+	description = "Mese Post Light",
+	tiles = {"default_mese_post_light_top.png", "default_mese_post_light_top.png",
+		"default_mese_post_light_side_dark.png", "default_mese_post_light_side_dark.png",
+		"default_mese_post_light_side.png", "default_mese_post_light_side.png"},
+	wield_image = "default_mese_post_light_side.png",
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-2 / 16, -8 / 16, -2 / 16, 2 / 16, 8 / 16, 2 / 16},
+		},
+	},
+	paramtype = "light",
+	light_source = default.LIGHT_MAX,
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
+	sounds = default.node_sound_wood_defaults(),
+})
+
 --
 -- Misc
 --