sprint_lite_max_stamina = 20
Maximum stamina of every player

sprint_lite_speed_multiplier = 1.75
Speed multiplier when sprinting

sprint_lite_jump_multiplier = 1.25
Jump multiplier when sprinting

sprint_lite_step_interval = 0.15
Server step interval in seconds, when performing sprint-related checks

sprint_lite_drain_hunger = true
Sprinting drains hunger, if hbhunger is installed

sprint_lite_hunger_amount = 0.03
Amount of hunger to drain per step

sprint_lite_stamina_drain = 0.5
Amount of stamina to drain per step

sprint_lite_stamina_regen = 0.1
Amount of stamina to regenerate per step, when not running

sprint_lite_stamina_threshold = 8
Amount of stamina below which you can't start running

sprint_lite_spawn_particles = true
Spawn particles under sprinting players

sprint_lite_require_ground = false
Require ground to run

sprint_lite.set_stamina(name, amount, add)
name - string, name of the player
amount - float, amount of stamina to add/set (can be negative if "add" is true, can't be otherwise)
add - bool, should "amount" be added or set

function returns new stamina amount of the player, returns false if failed to set stamina

sprint_lite.get_stamina(name)
name - string, name of the player

function returns amount of stamina of the player, returns false if failed