add missing tooltips for un_inv buttons

minetest.conf

@@ -28,7 +28,7 @@ name_restrictions.pronounceability =  # nil=disabled, 0=everything blocked, .5=s
 #################Game##################
 #
 #crops.difficulty = This setting is actually located in /worldmods/crops/crops_settings.txt
-movement_speed_fast = 25
+movement_speed_fast = 35
 item_entity_ttl = 150 #dropped item expire...
 share_bones_time = 1800
 share_bones_time_early = 0 #If player dies in protected area... (0=disabled)

worldmods/3d_armor_modpack/3d_armor_ui/init.lua

@@ -21,6 +21,7 @@ end)
 unified_inventory.register_button("armor", {
 	type = "image",
 	image = "inventory_plus_armor.png",
+	tooltip = "Change Armor",
 })
 
 unified_inventory.register_page("armor", {

worldmods/clothing/init.lua

@@ -15,6 +15,7 @@ elseif minetest.get_modpath("unified_inventory") and
 	unified_inventory.register_button("clothing", {
 		type = "image",
 		image = "inventory_plus_clothing.png",
+		tooltip = "Change Clothing",
 	})
 	unified_inventory.register_page("clothing", {
 		get_formspec = function(player, perplayer_formspec)

worldmods/u_skins/u_skins/init.lua

@@ -82,6 +82,7 @@ unified_inventory.register_page("u_skins", {
 unified_inventory.register_button("u_skins", {
 	type = "image",
 	image = "u_skins_button.png",
+	tooltip = "Choose Skin",
 })
 
 -- Create all of the skin-picker pages.

worldmods/worldedit/worldedit_gui/init.lua

@@ -80,6 +80,7 @@ if rawget(_G, "unified_inventory") then --unified inventory installed
 	unified_inventory.register_button("worldedit_gui", {
 		type = "image",
 		image = "inventory_plus_worldedit_gui.png",
+		tooltip = "Worldedit",
 	})
 
 	minetest.register_on_player_receive_fields(function(player, formname, fields)