* Related to https://codeberg.org/Wuzzy/minetest_hbhunger/issues/1
* the code has a hardcoded hp > 20 then hp = 20 at hunger.lua line 39
that do not respect the hp_max real value
* also do not give inmediate life, eating something gives you healt-satiation
so then your character wil have enought conditions to recovery healt
* provide player checks for registering callbacks
* provide spanish translations and backguar compat for older engine
the translation fallback was provide with upload of mod
* provide depends txt file for older engines
* optimize textures and remove icos as same in hbarmor and hudbars
* not set and icon for bar progress and remove background texture
* provide more simplistic hudbar of hbhunger
