Updates:
you can set a color to lore and set a color to icon
example color lore:
and color icon:

Update:
-you can show to player the armor (example)
-you can save multiple location and player teleport to location randomly
new configuration:

Code (YAML):

teleportation:
      location : #obligatory
        Location1 : #this location is obligatory
          x : 0
          y : 0
          z : 0
        location2 : #the name isn't important here
          x : 0
          y : 0
          z : 0
        location3:
          x : 0
          y : 0
          z : 0
      teleportation_active : false

new configuration:

Code (YAML):

kit: [/B ]
[B ]  chevalier: [/B ]
[B]    hasShowLore : true #you want show Lore of armor on icon?

Enchantment:
you can add enchantment on item or armor
new commands arguments:
/ getlistforkit enchantLIst --> to get the list of enchantment Name
new configuration:

Update:
-the player has clear when he chooses kit
-the player has teleported

configuration (new) :